Home / 291,432.32-437,069.28-125,181.44

Finding the Fourth Proportional to 291,432.32, 437,069.28 and 125,181.44

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Solution

The fourth proportional to 291,432.32, 437,069.28 and 125,181.44 is: 187,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,432.32 : 437,069.28 = 125,181.44 : x
  2. Step 2: Convert to fraction form
    291,432.32/437,069.28 = 125,181.44/x
  3. Step 3: Cross multiply
    291,432.32x = 437,069.28 × 125,181.44
  4. Step 4: Simplify right side
    291,432.32x = 54,712,961,850.16
  5. Step 5: Solve for x
    x = 54,712,961,850.16/291,432.32
  6. Step 6: Final answer
    x = 187,738.14

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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.