Finding the Fourth Proportional to 360,380.18, 497,338.65 and 239,312.70
Calculator
Solution
The fourth proportional to 360,380.18, 497,338.65 and 239,312.70 is: 330,260.82
Step by Step Solution
- Step 1: Write the proportion equation
360,380.18 : 497,338.65 = 239,312.70 : x - Step 2: Convert to fraction form
360,380.18/497,338.65 = 239,312.70/x - Step 3: Cross multiply
360,380.18x = 497,338.65 × 239,312.70 - Step 4: Simplify right side
360,380.18x = 119,019,455,145.86 - Step 5: Solve for x
x = 119,019,455,145.86/360,380.18 - Step 6: Final answer
x = 330,260.82
Related Problems
Find fourth proportional to 180,190.09, 248,669.33 and 119,656.35
Half scale
Find fourth proportional to 720,760.36, 994,677.30 and 478,625.40
Double scale
Find fourth proportional to 360,381.18, 497,340.03 and 239,313.70
Similar ratio
Find fourth proportional to 540,570.27, 746,007.98 and 358,969.05
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.