Finding the Fourth Proportional to 132,373.04, 198,574.08 and 57,441.68
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Solution
The fourth proportional to 132,373.04, 198,574.08 and 57,441.68 is: 86,168.82
Step by Step Solution
- Step 1: Write the proportion equation
132,373.04 : 198,574.08 = 57,441.68 : x - Step 2: Convert to fraction form
132,373.04/198,574.08 = 57,441.68/x - Step 3: Cross multiply
132,373.04x = 198,574.08 × 57,441.68 - Step 4: Simplify right side
132,373.04x = 11,406,428,759.65 - Step 5: Solve for x
x = 11,406,428,759.65/132,373.04 - Step 6: Final answer
x = 86,168.82
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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.