Home / 340,116.52-510,156.27-103,440.73

Finding the Fourth Proportional to 340,116.52, 510,156.27 and 103,440.73

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Solution

The fourth proportional to 340,116.52, 510,156.27 and 103,440.73 is: 155,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,116.52 : 510,156.27 = 103,440.73 : x
  2. Step 2: Convert to fraction form
    340,116.52/510,156.27 = 103,440.73/x
  3. Step 3: Cross multiply
    340,116.52x = 510,156.27 × 103,440.73
  4. Step 4: Simplify right side
    340,116.52x = 52,770,936,982.88
  5. Step 5: Solve for x
    x = 52,770,936,982.88/340,116.52
  6. Step 6: Final answer
    x = 155,155.47

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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.