Finding the Fourth Proportional to 447,387.39, 617,404.92 and 253,808.07
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Solution
The fourth proportional to 447,387.39, 617,404.92 and 253,808.07 is: 350,260.99
Step by Step Solution
- Step 1: Write the proportion equation
447,387.39 : 617,404.92 = 253,808.07 : x - Step 2: Convert to fraction form
447,387.39/617,404.92 = 253,808.07/x - Step 3: Cross multiply
447,387.39x = 617,404.92 × 253,808.07 - Step 4: Simplify right side
447,387.39x = 156,702,351,153.70 - Step 5: Solve for x
x = 156,702,351,153.70/447,387.39 - Step 6: Final answer
x = 350,260.99
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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.