Finding the Fourth Proportional to 838,452.78, 1,257,874.11 and 239,422.14
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Solution
The fourth proportional to 838,452.78, 1,257,874.11 and 239,422.14 is: 359,188.88
Step by Step Solution
- Step 1: Write the proportion equation
838,452.78 : 1,257,874.11 = 239,422.14 : x - Step 2: Convert to fraction form
838,452.78/1,257,874.11 = 239,422.14/x - Step 3: Cross multiply
838,452.78x = 1,257,874.11 × 239,422.14 - Step 4: Simplify right side
838,452.78x = 301,162,911,266.80 - Step 5: Solve for x
x = 301,162,911,266.80/838,452.78 - Step 6: Final answer
x = 359,188.88
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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.