Finding the Fourth Proportional to 447,042.53, 616,899.91 and 253,463.26
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Solution
The fourth proportional to 447,042.53, 616,899.91 and 253,463.26 is: 349,768.65
Step by Step Solution
- Step 1: Write the proportion equation
447,042.53 : 616,899.91 = 253,463.26 : x - Step 2: Convert to fraction form
447,042.53/616,899.91 = 253,463.26/x - Step 3: Cross multiply
447,042.53x = 616,899.91 × 253,463.26 - Step 4: Simplify right side
447,042.53x = 156,361,462,282.31 - Step 5: Solve for x
x = 156,361,462,282.31/447,042.53 - Step 6: Final answer
x = 349,768.65
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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.