Finding the Fourth Proportional to 487,765.68, 731,574.69 and 132,807.66
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Solution
The fourth proportional to 487,765.68, 731,574.69 and 132,807.66 is: 199,191.39
Step by Step Solution
- Step 1: Write the proportion equation
487,765.68 : 731,574.69 = 132,807.66 : x - Step 2: Convert to fraction form
487,765.68/731,574.69 = 132,807.66/x - Step 3: Cross multiply
487,765.68x = 731,574.69 × 132,807.66 - Step 4: Simplify right side
487,765.68x = 97,158,722,694.13 - Step 5: Solve for x
x = 97,158,722,694.13/487,765.68 - Step 6: Final answer
x = 199,191.39
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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.