Finding the Fourth Proportional to 517,245.12, 775,896.84 and 162,251.28
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Solution
The fourth proportional to 517,245.12, 775,896.84 and 162,251.28 is: 243,386.07
Step by Step Solution
- Step 1: Write the proportion equation
517,245.12 : 775,896.84 = 162,251.28 : x - Step 2: Convert to fraction form
517,245.12/775,896.84 = 162,251.28/x - Step 3: Cross multiply
517,245.12x = 775,896.84 × 162,251.28 - Step 4: Simplify right side
517,245.12x = 125,890,255,437.96 - Step 5: Solve for x
x = 125,890,255,437.96/517,245.12 - Step 6: Final answer
x = 243,386.07
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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.