Finding the Fourth Proportional to 169,318.46, 253,479.26 and 125,142.14
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Solution
The fourth proportional to 169,318.46, 253,479.26 and 125,142.14 is: 187,344.82
Step by Step Solution
- Step 1: Write the proportion equation
169,318.46 : 253,479.26 = 125,142.14 : x - Step 2: Convert to fraction form
169,318.46/253,479.26 = 125,142.14/x - Step 3: Cross multiply
169,318.46x = 253,479.26 × 125,142.14 - Step 4: Simplify right side
169,318.46x = 31,720,937,042.02 - Step 5: Solve for x
x = 31,720,937,042.02/169,318.46 - Step 6: Final answer
x = 187,344.82
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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.