Finding the Fourth Proportional to 527,437.28, 791,177.80 and 153,460.28
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Solution
The fourth proportional to 527,437.28, 791,177.80 and 153,460.28 is: 230,196.79
Step by Step Solution
- Step 1: Write the proportion equation
527,437.28 : 791,177.80 = 153,460.28 : x - Step 2: Convert to fraction form
527,437.28/791,177.80 = 153,460.28/x - Step 3: Cross multiply
527,437.28x = 791,177.80 × 153,460.28 - Step 4: Simplify right side
527,437.28x = 121,414,366,717.78 - Step 5: Solve for x
x = 121,414,366,717.78/527,437.28 - Step 6: Final answer
x = 230,196.79
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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.