Finding the Fourth Proportional to 510,462.96, 765,635.84 and 136,515.12
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Solution
The fourth proportional to 510,462.96, 765,635.84 and 136,515.12 is: 204,757.01
Step by Step Solution
- Step 1: Write the proportion equation
510,462.96 : 765,635.84 = 136,515.12 : x - Step 2: Convert to fraction form
510,462.96/765,635.84 = 136,515.12/x - Step 3: Cross multiply
510,462.96x = 765,635.84 × 136,515.12 - Step 4: Simplify right side
510,462.96x = 104,520,868,573.90 - Step 5: Solve for x
x = 104,520,868,573.90/510,462.96 - Step 6: Final answer
x = 204,757.01
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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.