Home / 340,411.28-510,380.45-150,768.31

Finding the Fourth Proportional to 340,411.28, 510,380.45 and 150,768.31

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Solution

The fourth proportional to 340,411.28, 510,380.45 and 150,768.31 is: 226,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,411.28 : 510,380.45 = 150,768.31 : x
  2. Step 2: Convert to fraction form
    340,411.28/510,380.45 = 150,768.31/x
  3. Step 3: Cross multiply
    340,411.28x = 510,380.45 × 150,768.31
  4. Step 4: Simplify right side
    340,411.28x = 76,949,199,106.90
  5. Step 5: Solve for x
    x = 76,949,199,106.90/340,411.28
  6. Step 6: Final answer
    x = 226,047.73

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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.