Finding the Fourth Proportional to 156,737.20, 235,141.26 and 51,557.08
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Solution
The fourth proportional to 156,737.20, 235,141.26 and 51,557.08 is: 77,347.28
Step by Step Solution
- Step 1: Write the proportion equation
156,737.20 : 235,141.26 = 51,557.08 : x - Step 2: Convert to fraction form
156,737.20/235,141.26 = 51,557.08/x - Step 3: Cross multiply
156,737.20x = 235,141.26 × 51,557.08 - Step 4: Simplify right side
156,737.20x = 12,123,196,753.12 - Step 5: Solve for x
x = 12,123,196,753.12/156,737.20 - Step 6: Final answer
x = 77,347.28
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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.