Finding the Fourth Proportional to 257,141.24, 385,737.24 and 88,639.38
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Solution
The fourth proportional to 257,141.24, 385,737.24 and 88,639.38 is: 132,967.82
Step by Step Solution
- Step 1: Write the proportion equation
257,141.24 : 385,737.24 = 88,639.38 : x - Step 2: Convert to fraction form
257,141.24/385,737.24 = 88,639.38/x - Step 3: Cross multiply
257,141.24x = 385,737.24 × 88,639.38 - Step 4: Simplify right side
257,141.24x = 34,191,511,243.03 - Step 5: Solve for x
x = 34,191,511,243.03/257,141.24 - Step 6: Final answer
x = 132,967.82
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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.