Finding the Fourth Proportional to 416,998.99, 575,487.85 and 235,712.40
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Solution
The fourth proportional to 416,998.99, 575,487.85 and 235,712.40 is: 325,299.64
Step by Step Solution
- Step 1: Write the proportion equation
416,998.99 : 575,487.85 = 235,712.40 : x - Step 2: Convert to fraction form
416,998.99/575,487.85 = 235,712.40/x - Step 3: Cross multiply
416,998.99x = 575,487.85 × 235,712.40 - Step 4: Simplify right side
416,998.99x = 135,649,621,705.06 - Step 5: Solve for x
x = 135,649,621,705.06/416,998.99 - Step 6: Final answer
x = 325,299.64
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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.