Home / 384,155.02-576,217.95-103,679.56

Finding the Fourth Proportional to 384,155.02, 576,217.95 and 103,679.56

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Solution

The fourth proportional to 384,155.02, 576,217.95 and 103,679.56 is: 155,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,155.02 : 576,217.95 = 103,679.56 : x
  2. Step 2: Convert to fraction form
    384,155.02/576,217.95 = 103,679.56/x
  3. Step 3: Cross multiply
    384,155.02x = 576,217.95 × 103,679.56
  4. Step 4: Simplify right side
    384,155.02x = 59,742,023,520.10
  5. Step 5: Solve for x
    x = 59,742,023,520.10/384,155.02
  6. Step 6: Final answer
    x = 155,515.41

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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.