Finding the Fourth Proportional to 502,132.74, 692,943.57 and 272,685.66
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Solution
The fourth proportional to 502,132.74, 692,943.57 and 272,685.66 is: 376,306.42
Step by Step Solution
- Step 1: Write the proportion equation
502,132.74 : 692,943.57 = 272,685.66 : x - Step 2: Convert to fraction form
502,132.74/692,943.57 = 272,685.66/x - Step 3: Cross multiply
502,132.74x = 692,943.57 × 272,685.66 - Step 4: Simplify right side
502,132.74x = 188,955,774,728.21 - Step 5: Solve for x
x = 188,955,774,728.21/502,132.74 - Step 6: Final answer
x = 376,306.42
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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.