Home / 395,209.06-592,746.13-142,439.24

Finding the Fourth Proportional to 395,209.06, 592,746.13 and 142,439.24

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Solution

The fourth proportional to 395,209.06, 592,746.13 and 142,439.24 is: 213,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,209.06 : 592,746.13 = 142,439.24 : x
  2. Step 2: Convert to fraction form
    395,209.06/592,746.13 = 142,439.24/x
  3. Step 3: Cross multiply
    395,209.06x = 592,746.13 × 142,439.24
  4. Step 4: Simplify right side
    395,209.06x = 84,430,309,930.06
  5. Step 5: Solve for x
    x = 84,430,309,930.06/395,209.06
  6. Step 6: Final answer
    x = 213,634.55

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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.