Finding the Fourth Proportional to 259,420.18, 357,998.93 and 144,698.74
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Solution
The fourth proportional to 259,420.18, 357,998.93 and 144,698.74 is: 199,683.75
Step by Step Solution
- Step 1: Write the proportion equation
259,420.18 : 357,998.93 = 144,698.74 : x - Step 2: Convert to fraction form
259,420.18/357,998.93 = 144,698.74/x - Step 3: Cross multiply
259,420.18x = 357,998.93 × 144,698.74 - Step 4: Simplify right side
259,420.18x = 51,801,994,092.35 - Step 5: Solve for x
x = 51,801,994,092.35/259,420.18 - Step 6: Final answer
x = 199,683.75
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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.