Finding the Fourth Proportional to 517,142.08, 775,713.18 and 162,187.12
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Solution
The fourth proportional to 517,142.08, 775,713.18 and 162,187.12 is: 243,280.70
Step by Step Solution
- Step 1: Write the proportion equation
517,142.08 : 775,713.18 = 162,187.12 : x - Step 2: Convert to fraction form
517,142.08/775,713.18 = 162,187.12/x - Step 3: Cross multiply
517,142.08x = 775,713.18 × 162,187.12 - Step 4: Simplify right side
517,142.08x = 125,810,686,610.24 - Step 5: Solve for x
x = 125,810,686,610.24/517,142.08 - Step 6: Final answer
x = 243,280.70
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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.