Finding the Fourth Proportional to 156,462.12, 234,711.50 and 49,808.70
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Solution
The fourth proportional to 156,462.12, 234,711.50 and 49,808.70 is: 74,718.88
Step by Step Solution
- Step 1: Write the proportion equation
156,462.12 : 234,711.50 = 49,808.70 : x - Step 2: Convert to fraction form
156,462.12/234,711.50 = 49,808.70/x - Step 3: Cross multiply
156,462.12x = 234,711.50 × 49,808.70 - Step 4: Simplify right side
156,462.12x = 11,690,674,690.05 - Step 5: Solve for x
x = 11,690,674,690.05/156,462.12 - Step 6: Final answer
x = 74,718.88
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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.