Finding the Fourth Proportional to 155,927.14, 215,179.26 and 84,306.96
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Solution
The fourth proportional to 155,927.14, 215,179.26 and 84,306.96 is: 116,343.50
Step by Step Solution
- Step 1: Write the proportion equation
155,927.14 : 215,179.26 = 84,306.96 : x - Step 2: Convert to fraction form
155,927.14/215,179.26 = 84,306.96/x - Step 3: Cross multiply
155,927.14x = 215,179.26 × 84,306.96 - Step 4: Simplify right side
155,927.14x = 18,141,109,265.65 - Step 5: Solve for x
x = 18,141,109,265.65/155,927.14 - Step 6: Final answer
x = 116,343.50
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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.