Finding the Fourth Proportional to 577,979.76, 866,882.16 and 157,288.44
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Solution
The fourth proportional to 577,979.76, 866,882.16 and 157,288.44 is: 235,908.85
Step by Step Solution
- Step 1: Write the proportion equation
577,979.76 : 866,882.16 = 157,288.44 : x - Step 2: Convert to fraction form
577,979.76/866,882.16 = 157,288.44/x - Step 3: Cross multiply
577,979.76x = 866,882.16 × 157,288.44 - Step 4: Simplify right side
577,979.76x = 136,350,542,610.23 - Step 5: Solve for x
x = 136,350,542,610.23/577,979.76 - Step 6: Final answer
x = 235,908.85
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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.