Finding the Fourth Proportional to 502,115.07, 692,915.99 and 272,670.15
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Solution
The fourth proportional to 502,115.07, 692,915.99 and 272,670.15 is: 376,283.28
Step by Step Solution
- Step 1: Write the proportion equation
502,115.07 : 692,915.99 = 272,670.15 : x - Step 2: Convert to fraction form
502,115.07/692,915.99 = 272,670.15/x - Step 3: Cross multiply
502,115.07x = 692,915.99 × 272,670.15 - Step 4: Simplify right side
502,115.07x = 188,937,506,930.70 - Step 5: Solve for x
x = 188,937,506,930.70/502,115.07 - Step 6: Final answer
x = 376,283.28
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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.