Finding the Fourth Proportional to 158,747.13, 238,088.97 and 74,485.62
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Solution
The fourth proportional to 158,747.13, 238,088.97 and 74,485.62 is: 111,713.54
Step by Step Solution
- Step 1: Write the proportion equation
158,747.13 : 238,088.97 = 74,485.62 : x - Step 2: Convert to fraction form
158,747.13/238,088.97 = 74,485.62/x - Step 3: Cross multiply
158,747.13x = 238,088.97 × 74,485.62 - Step 4: Simplify right side
158,747.13x = 17,734,204,545.61 - Step 5: Solve for x
x = 17,734,204,545.61/158,747.13 - Step 6: Final answer
x = 111,713.54
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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.