Finding the Fourth Proportional to 476,059.77, 656,962.47 and 272,115.09
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Solution
The fourth proportional to 476,059.77, 656,962.47 and 272,115.09 is: 375,518.82
Step by Step Solution
- Step 1: Write the proportion equation
476,059.77 : 656,962.47 = 272,115.09 : x - Step 2: Convert to fraction form
476,059.77/656,962.47 = 272,115.09/x - Step 3: Cross multiply
476,059.77x = 656,962.47 × 272,115.09 - Step 4: Simplify right side
476,059.77x = 178,769,401,650.67 - Step 5: Solve for x
x = 178,769,401,650.67/476,059.77 - Step 6: Final answer
x = 375,518.82
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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.