Finding the Fourth Proportional to 132,239.08, 198,332.70 and 38,719.72
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Solution
The fourth proportional to 132,239.08, 198,332.70 and 38,719.72 is: 58,071.99
Step by Step Solution
- Step 1: Write the proportion equation
132,239.08 : 198,332.70 = 38,719.72 : x - Step 2: Convert to fraction form
132,239.08/198,332.70 = 38,719.72/x - Step 3: Cross multiply
132,239.08x = 198,332.70 × 38,719.72 - Step 4: Simplify right side
132,239.08x = 7,679,386,610.84 - Step 5: Solve for x
x = 7,679,386,610.84/132,239.08 - Step 6: Final answer
x = 58,071.99
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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.