Finding the Fourth Proportional to 397,238.13, 596,125.10 and 147,920.13
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Solution
The fourth proportional to 397,238.13, 596,125.10 and 147,920.13 is: 221,979.96
Step by Step Solution
- Step 1: Write the proportion equation
397,238.13 : 596,125.10 = 147,920.13 : x - Step 2: Convert to fraction form
397,238.13/596,125.10 = 147,920.13/x - Step 3: Cross multiply
397,238.13x = 596,125.10 × 147,920.13 - Step 4: Simplify right side
397,238.13x = 88,178,902,288.26 - Step 5: Solve for x
x = 88,178,902,288.26/397,238.13 - Step 6: Final answer
x = 221,979.96
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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.