Finding the Fourth Proportional to 106,250.13, 159,349.68 and 31,350.04
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Solution
The fourth proportional to 106,250.13, 159,349.68 and 31,350.04 is: 47,017.53
Step by Step Solution
- Step 1: Write the proportion equation
106,250.13 : 159,349.68 = 31,350.04 : x - Step 2: Convert to fraction form
106,250.13/159,349.68 = 31,350.04/x - Step 3: Cross multiply
106,250.13x = 159,349.68 × 31,350.04 - Step 4: Simplify right side
106,250.13x = 4,995,618,443.61 - Step 5: Solve for x
x = 4,995,618,443.61/106,250.13 - Step 6: Final answer
x = 47,017.53
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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.