Finding the Fourth Proportional to 72,251.52, 108,337.68 and 22,318.08
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Solution
The fourth proportional to 72,251.52, 108,337.68 and 22,318.08 is: 33,464.89
Step by Step Solution
- Step 1: Write the proportion equation
72,251.52 : 108,337.68 = 22,318.08 : x - Step 2: Convert to fraction form
72,251.52/108,337.68 = 22,318.08/x - Step 3: Cross multiply
72,251.52x = 108,337.68 × 22,318.08 - Step 4: Simplify right side
72,251.52x = 2,417,889,009.25 - Step 5: Solve for x
x = 2,417,889,009.25/72,251.52 - Step 6: Final answer
x = 33,464.89
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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.