Finding the Fourth Proportional to 292,070.70, 403,057.44 and 157,934.70
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Solution
The fourth proportional to 292,070.70, 403,057.44 and 157,934.70 is: 217,949.82
Step by Step Solution
- Step 1: Write the proportion equation
292,070.70 : 403,057.44 = 157,934.70 : x - Step 2: Convert to fraction form
292,070.70/403,057.44 = 157,934.70/x - Step 3: Cross multiply
292,070.70x = 403,057.44 × 157,934.70 - Step 4: Simplify right side
292,070.70x = 63,656,755,869.17 - Step 5: Solve for x
x = 63,656,755,869.17/292,070.70 - Step 6: Final answer
x = 217,949.82
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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.