Finding the Fourth Proportional to 353,034.11, 487,175.15 and 202,101.95
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Solution
The fourth proportional to 353,034.11, 487,175.15 and 202,101.95 is: 278,893.86
Step by Step Solution
- Step 1: Write the proportion equation
353,034.11 : 487,175.15 = 202,101.95 : x - Step 2: Convert to fraction form
353,034.11/487,175.15 = 202,101.95/x - Step 3: Cross multiply
353,034.11x = 487,175.15 × 202,101.95 - Step 4: Simplify right side
353,034.11x = 98,459,046,566.01 - Step 5: Solve for x
x = 98,459,046,566.01/353,034.11 - Step 6: Final answer
x = 278,893.86
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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.