Finding the Fourth Proportional to 521,422.57, 781,937.01 and 240,742.99
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Solution
The fourth proportional to 521,422.57, 781,937.01 and 240,742.99 is: 361,023.60
Step by Step Solution
- Step 1: Write the proportion equation
521,422.57 : 781,937.01 = 240,742.99 : x - Step 2: Convert to fraction form
521,422.57/781,937.01 = 240,742.99/x - Step 3: Cross multiply
521,422.57x = 781,937.01 × 240,742.99 - Step 4: Simplify right side
521,422.57x = 188,245,853,779.06 - Step 5: Solve for x
x = 188,245,853,779.06/521,422.57 - Step 6: Final answer
x = 361,023.60
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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.