Finding the Fourth Proportional to 177,691.52, 266,405.28 and 107,554.40
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Solution
The fourth proportional to 177,691.52, 266,405.28 and 107,554.40 is: 161,251.70
Step by Step Solution
- Step 1: Write the proportion equation
177,691.52 : 266,405.28 = 107,554.40 : x - Step 2: Convert to fraction form
177,691.52/266,405.28 = 107,554.40/x - Step 3: Cross multiply
177,691.52x = 266,405.28 × 107,554.40 - Step 4: Simplify right side
177,691.52x = 28,653,060,047.23 - Step 5: Solve for x
x = 28,653,060,047.23/177,691.52 - Step 6: Final answer
x = 161,251.70
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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.