Finding the Fourth Proportional to 250,115.13, 345,158.16 and 136,937.07
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Solution
The fourth proportional to 250,115.13, 345,158.16 and 136,937.07 is: 188,972.76
Step by Step Solution
- Step 1: Write the proportion equation
250,115.13 : 345,158.16 = 136,937.07 : x - Step 2: Convert to fraction form
250,115.13/345,158.16 = 136,937.07/x - Step 3: Cross multiply
250,115.13x = 345,158.16 × 136,937.07 - Step 4: Simplify right side
250,115.13x = 47,264,947,116.99 - Step 5: Solve for x
x = 47,264,947,116.99/250,115.13 - Step 6: Final answer
x = 188,972.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.