Finding the Fourth Proportional to 514,346.13, 709,790.16 and 284,902.65
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Solution
The fourth proportional to 514,346.13, 709,790.16 and 284,902.65 is: 393,161.50
Step by Step Solution
- Step 1: Write the proportion equation
514,346.13 : 709,790.16 = 284,902.65 : x - Step 2: Convert to fraction form
514,346.13/709,790.16 = 284,902.65/x - Step 3: Cross multiply
514,346.13x = 709,790.16 × 284,902.65 - Step 4: Simplify right side
514,346.13x = 202,221,097,527.92 - Step 5: Solve for x
x = 202,221,097,527.92/514,346.13 - Step 6: Final answer
x = 393,161.50
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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.