Home / 250,709.22-345,983.40-153,864.52

Finding the Fourth Proportional to 250,709.22, 345,983.40 and 153,864.52

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Solution

The fourth proportional to 250,709.22, 345,983.40 and 153,864.52 is: 212,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,709.22 : 345,983.40 = 153,864.52 : x
  2. Step 2: Convert to fraction form
    250,709.22/345,983.40 = 153,864.52/x
  3. Step 3: Cross multiply
    250,709.22x = 345,983.40 × 153,864.52
  4. Step 4: Simplify right side
    250,709.22x = 53,234,569,768.97
  5. Step 5: Solve for x
    x = 53,234,569,768.97/250,709.22
  6. Step 6: Final answer
    x = 212,335.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.