Finding the Fourth Proportional to 517,165.20, 775,747.68 and 162,210.24
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Solution
The fourth proportional to 517,165.20, 775,747.68 and 162,210.24 is: 243,315.32
Step by Step Solution
- Step 1: Write the proportion equation
517,165.20 : 775,747.68 = 162,210.24 : x - Step 2: Convert to fraction form
517,165.20/775,747.68 = 162,210.24/x - Step 3: Cross multiply
517,165.20x = 775,747.68 × 162,210.24 - Step 4: Simplify right side
517,165.20x = 125,834,217,352.24 - Step 5: Solve for x
x = 125,834,217,352.24/517,165.20 - Step 6: Final answer
x = 243,315.32
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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.