Finding the Fourth Proportional to 527,124.26, 790,734.99 and 172,140.14
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Solution
The fourth proportional to 527,124.26, 790,734.99 and 172,140.14 is: 258,226.08
Step by Step Solution
- Step 1: Write the proportion equation
527,124.26 : 790,734.99 = 172,140.14 : x - Step 2: Convert to fraction form
527,124.26/790,734.99 = 172,140.14/x - Step 3: Cross multiply
527,124.26x = 790,734.99 × 172,140.14 - Step 4: Simplify right side
527,124.26x = 136,117,227,927.82 - Step 5: Solve for x
x = 136,117,227,927.82/527,124.26 - Step 6: Final answer
x = 258,226.08
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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.