Home / 380,919.47-571,372.86-92,734.16

Finding the Fourth Proportional to 380,919.47, 571,372.86 and 92,734.16

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Solution

The fourth proportional to 380,919.47, 571,372.86 and 92,734.16 is: 139,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,919.47 : 571,372.86 = 92,734.16 : x
  2. Step 2: Convert to fraction form
    380,919.47/571,372.86 = 92,734.16/x
  3. Step 3: Cross multiply
    380,919.47x = 571,372.86 × 92,734.16
  4. Step 4: Simplify right side
    380,919.47x = 52,985,782,218.90
  5. Step 5: Solve for x
    x = 52,985,782,218.90/380,919.47
  6. Step 6: Final answer
    x = 139,099.70

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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.