Home / 257,124.30-385,450.16-88,604.52

Finding the Fourth Proportional to 257,124.30, 385,450.16 and 88,604.52

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Solution

The fourth proportional to 257,124.30, 385,450.16 and 88,604.52 is: 132,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,124.30 : 385,450.16 = 88,604.52 : x
  2. Step 2: Convert to fraction form
    257,124.30/385,450.16 = 88,604.52/x
  3. Step 3: Cross multiply
    257,124.30x = 385,450.16 × 88,604.52
  4. Step 4: Simplify right side
    257,124.30x = 34,152,625,967.70
  5. Step 5: Solve for x
    x = 34,152,625,967.70/257,124.30
  6. Step 6: Final answer
    x = 132,825.35

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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.