Finding the Fourth Proportional to 499,070.92, 688,719.68 and 272,716.44
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Solution
The fourth proportional to 499,070.92, 688,719.68 and 272,716.44 is: 376,349.68
Step by Step Solution
- Step 1: Write the proportion equation
499,070.92 : 688,719.68 = 272,716.44 : x - Step 2: Convert to fraction form
499,070.92/688,719.68 = 272,716.44/x - Step 3: Cross multiply
499,070.92x = 688,719.68 × 272,716.44 - Step 4: Simplify right side
499,070.92x = 187,825,179,287.54 - Step 5: Solve for x
x = 187,825,179,287.54/499,070.92 - Step 6: Final answer
x = 376,349.68
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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.