Finding the Fourth Proportional to 397,239.13, 596,126.60 and 147,921.13
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Solution
The fourth proportional to 397,239.13, 596,126.60 and 147,921.13 is: 221,981.46
Step by Step Solution
- Step 1: Write the proportion equation
397,239.13 : 596,126.60 = 147,921.13 : x - Step 2: Convert to fraction form
397,239.13/596,126.60 = 147,921.13/x - Step 3: Cross multiply
397,239.13x = 596,126.60 × 147,921.13 - Step 4: Simplify right side
397,239.13x = 88,179,720,295.06 - Step 5: Solve for x
x = 88,179,720,295.06/397,239.13 - Step 6: Final answer
x = 221,981.46
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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.