Home / 216,392.20-324,005.10-156,905.80

Finding the Fourth Proportional to 216,392.20, 324,005.10 and 156,905.80

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Solution

The fourth proportional to 216,392.20, 324,005.10 and 156,905.80 is: 234,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,392.20 : 324,005.10 = 156,905.80 : x
  2. Step 2: Convert to fraction form
    216,392.20/324,005.10 = 156,905.80/x
  3. Step 3: Cross multiply
    216,392.20x = 324,005.10 × 156,905.80
  4. Step 4: Simplify right side
    216,392.20x = 50,838,279,419.58
  5. Step 5: Solve for x
    x = 50,838,279,419.58/216,392.20
  6. Step 6: Final answer
    x = 234,935.82

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1.5x scale

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.