Finding the Fourth Proportional to 274,276.71, 411,454.43 and 84,753.63
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Solution
The fourth proportional to 274,276.71, 411,454.43 and 84,753.63 is: 127,142.61
Step by Step Solution
- Step 1: Write the proportion equation
274,276.71 : 411,454.43 = 84,753.63 : x - Step 2: Convert to fraction form
274,276.71/411,454.43 = 84,753.63/x - Step 3: Cross multiply
274,276.71x = 411,454.43 × 84,753.63 - Step 4: Simplify right side
274,276.71x = 34,872,256,098.31 - Step 5: Solve for x
x = 34,872,256,098.31/274,276.71 - Step 6: Final answer
x = 127,142.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.