Home / 257,065.03-385,515.39-88,544.85

Finding the Fourth Proportional to 257,065.03, 385,515.39 and 88,544.85

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Solution

The fourth proportional to 257,065.03, 385,515.39 and 88,544.85 is: 132,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,065.03 : 385,515.39 = 88,544.85 : x
  2. Step 2: Convert to fraction form
    257,065.03/385,515.39 = 88,544.85/x
  3. Step 3: Cross multiply
    257,065.03x = 385,515.39 × 88,544.85
  4. Step 4: Simplify right side
    257,065.03x = 34,135,402,380.24
  5. Step 5: Solve for x
    x = 34,135,402,380.24/257,065.03
  6. Step 6: Final answer
    x = 132,788.98

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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.