Finding the Fourth Proportional to 132,437.50, 198,781.09 and 48,279.00
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Solution
The fourth proportional to 132,437.50, 198,781.09 and 48,279.00 is: 72,464.02
Step by Step Solution
- Step 1: Write the proportion equation
132,437.50 : 198,781.09 = 48,279.00 : x - Step 2: Convert to fraction form
132,437.50/198,781.09 = 48,279.00/x - Step 3: Cross multiply
132,437.50x = 198,781.09 × 48,279.00 - Step 4: Simplify right side
132,437.50x = 9,596,952,868.84 - Step 5: Solve for x
x = 9,596,952,868.84/132,437.50 - Step 6: Final answer
x = 72,464.02
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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.