Home / 340,141.20-510,080.04-115,463.76

Finding the Fourth Proportional to 340,141.20, 510,080.04 and 115,463.76

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Solution

The fourth proportional to 340,141.20, 510,080.04 and 115,463.76 is: 173,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,141.20 : 510,080.04 = 115,463.76 : x
  2. Step 2: Convert to fraction form
    340,141.20/510,080.04 = 115,463.76/x
  3. Step 3: Cross multiply
    340,141.20x = 510,080.04 × 115,463.76
  4. Step 4: Simplify right side
    340,141.20x = 58,895,759,319.35
  5. Step 5: Solve for x
    x = 58,895,759,319.35/340,141.20
  6. Step 6: Final answer
    x = 173,150.91

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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.