Home / 320,169.28-480,281.20-95,515.20

Finding the Fourth Proportional to 320,169.28, 480,281.20 and 95,515.20

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Solution

The fourth proportional to 320,169.28, 480,281.20 and 95,515.20 is: 143,280.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,169.28 : 480,281.20 = 95,515.20 : x
  2. Step 2: Convert to fraction form
    320,169.28/480,281.20 = 95,515.20/x
  3. Step 3: Cross multiply
    320,169.28x = 480,281.20 × 95,515.20
  4. Step 4: Simplify right side
    320,169.28x = 45,874,154,874.24
  5. Step 5: Solve for x
    x = 45,874,154,874.24/320,169.28
  6. Step 6: Final answer
    x = 143,280.94

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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.