Home / 221,867.40-332,801.10-137,886.60

Finding the Fourth Proportional to 221,867.40, 332,801.10 and 137,886.60

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Solution

The fourth proportional to 221,867.40, 332,801.10 and 137,886.60 is: 206,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,867.40 : 332,801.10 = 137,886.60 : x
  2. Step 2: Convert to fraction form
    221,867.40/332,801.10 = 137,886.60/x
  3. Step 3: Cross multiply
    221,867.40x = 332,801.10 × 137,886.60
  4. Step 4: Simplify right side
    221,867.40x = 45,888,812,155.26
  5. Step 5: Solve for x
    x = 45,888,812,155.26/221,867.40
  6. Step 6: Final answer
    x = 206,829.90

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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.