Finding the Fourth Proportional to 156,737.14, 216,299.76 and 88,752.27
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Solution
The fourth proportional to 156,737.14, 216,299.76 and 88,752.27 is: 122,479.55
Step by Step Solution
- Step 1: Write the proportion equation
156,737.14 : 216,299.76 = 88,752.27 : x - Step 2: Convert to fraction form
156,737.14/216,299.76 = 88,752.27/x - Step 3: Cross multiply
156,737.14x = 216,299.76 × 88,752.27 - Step 4: Simplify right side
156,737.14x = 19,197,094,700.46 - Step 5: Solve for x
x = 19,197,094,700.46/156,737.14 - Step 6: Final answer
x = 122,479.55
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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.