Home / 261,788.71-361,258.76-159,984.49

Finding the Fourth Proportional to 261,788.71, 361,258.76 and 159,984.49

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Solution

The fourth proportional to 261,788.71, 361,258.76 and 159,984.49 is: 220,772.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,788.71 : 361,258.76 = 159,984.49 : x
  2. Step 2: Convert to fraction form
    261,788.71/361,258.76 = 159,984.49/x
  3. Step 3: Cross multiply
    261,788.71x = 361,258.76 × 159,984.49
  4. Step 4: Simplify right side
    261,788.71x = 57,795,797,676.71
  5. Step 5: Solve for x
    x = 57,795,797,676.71/261,788.71
  6. Step 6: Final answer
    x = 220,772.69

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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.