Home / 239,929.20-331,323.48-160,671.60

Finding the Fourth Proportional to 239,929.20, 331,323.48 and 160,671.60

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Solution

The fourth proportional to 239,929.20, 331,323.48 and 160,671.60 is: 221,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,929.20 : 331,323.48 = 160,671.60 : x
  2. Step 2: Convert to fraction form
    239,929.20/331,323.48 = 160,671.60/x
  3. Step 3: Cross multiply
    239,929.20x = 331,323.48 × 160,671.60
  4. Step 4: Simplify right side
    239,929.20x = 53,234,273,649.17
  5. Step 5: Solve for x
    x = 53,234,273,649.17/239,929.20
  6. Step 6: Final answer
    x = 221,874.93

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1.5x scale

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.