Finding the Fourth Proportional to 156,724.20, 235,121.76 and 51,544.08
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Solution
The fourth proportional to 156,724.20, 235,121.76 and 51,544.08 is: 77,327.78
Step by Step Solution
- Step 1: Write the proportion equation
156,724.20 : 235,121.76 = 51,544.08 : x - Step 2: Convert to fraction form
156,724.20/235,121.76 = 51,544.08/x - Step 3: Cross multiply
156,724.20x = 235,121.76 × 51,544.08 - Step 4: Simplify right side
156,724.20x = 12,119,134,807.18 - Step 5: Solve for x
x = 12,119,134,807.18/156,724.20 - Step 6: Final answer
x = 77,327.78
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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.