Finding the Fourth Proportional to 272,440.59, 375,962.12 and 157,724.09
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Solution
The fourth proportional to 272,440.59, 375,962.12 and 157,724.09 is: 217,655.84
Step by Step Solution
- Step 1: Write the proportion equation
272,440.59 : 375,962.12 = 157,724.09 : x - Step 2: Convert to fraction form
272,440.59/375,962.12 = 157,724.09/x - Step 3: Cross multiply
272,440.59x = 375,962.12 × 157,724.09 - Step 4: Simplify right side
272,440.59x = 59,298,283,251.47 - Step 5: Solve for x
x = 59,298,283,251.47/272,440.59 - Step 6: Final answer
x = 217,655.84
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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.