Finding the Fourth Proportional to 271,830.14, 375,103.62 and 157,116.20
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Solution
The fourth proportional to 271,830.14, 375,103.62 and 157,116.20 is: 216,807.65
Step by Step Solution
- Step 1: Write the proportion equation
271,830.14 : 375,103.62 = 157,116.20 : x - Step 2: Convert to fraction form
271,830.14/375,103.62 = 157,116.20/x - Step 3: Cross multiply
271,830.14x = 375,103.62 × 157,116.20 - Step 4: Simplify right side
271,830.14x = 58,934,853,505.13 - Step 5: Solve for x
x = 58,934,853,505.13/271,830.14 - Step 6: Final answer
x = 216,807.65
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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.