Home / 854,155.62-1,281,499.96-255,140.41

Finding the Fourth Proportional to 854,155.62, 1,281,499.96 and 255,140.41

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Solution

The fourth proportional to 854,155.62, 1,281,499.96 and 255,140.41 is: 382,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,155.62 : 1,281,499.96 = 255,140.41 : x
  2. Step 2: Convert to fraction form
    854,155.62/1,281,499.96 = 255,140.41/x
  3. Step 3: Cross multiply
    854,155.62x = 1,281,499.96 × 255,140.41
  4. Step 4: Simplify right side
    854,155.62x = 326,962,425,209.38
  5. Step 5: Solve for x
    x = 326,962,425,209.38/854,155.62
  6. Step 6: Final answer
    x = 382,790.23

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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.