Finding the Fourth Proportional to 463,102.60, 639,207.30 and 272,177.32
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Solution
The fourth proportional to 463,102.60, 639,207.30 and 272,177.32 is: 375,678.59
Step by Step Solution
- Step 1: Write the proportion equation
463,102.60 : 639,207.30 = 272,177.32 : x - Step 2: Convert to fraction form
463,102.60/639,207.30 = 272,177.32/x - Step 3: Cross multiply
463,102.60x = 639,207.30 × 272,177.32 - Step 4: Simplify right side
463,102.60x = 173,977,729,838.44 - Step 5: Solve for x
x = 173,977,729,838.44/463,102.60 - Step 6: Final answer
x = 375,678.59
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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.