Finding the Fourth Proportional to 658,189.13, 987,283.69 and 159,553.13
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Solution
The fourth proportional to 658,189.13, 987,283.69 and 159,553.13 is: 239,329.69
Step by Step Solution
- Step 1: Write the proportion equation
658,189.13 : 987,283.69 = 159,553.13 : x - Step 2: Convert to fraction form
658,189.13/987,283.69 = 159,553.13/x - Step 3: Cross multiply
658,189.13x = 987,283.69 × 159,553.13 - Step 4: Simplify right side
658,189.13x = 157,524,197,602.15 - Step 5: Solve for x
x = 157,524,197,602.15/658,189.13 - Step 6: Final answer
x = 239,329.69
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Similar ratio
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1.5x scale
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.