Home / 261,216.20-391,824.30-167,904.20

Finding the Fourth Proportional to 261,216.20, 391,824.30 and 167,904.20

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Solution

The fourth proportional to 261,216.20, 391,824.30 and 167,904.20 is: 251,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,216.20 : 391,824.30 = 167,904.20 : x
  2. Step 2: Convert to fraction form
    261,216.20/391,824.30 = 167,904.20/x
  3. Step 3: Cross multiply
    261,216.20x = 391,824.30 × 167,904.20
  4. Step 4: Simplify right side
    261,216.20x = 65,788,945,632.06
  5. Step 5: Solve for x
    x = 65,788,945,632.06/261,216.20
  6. Step 6: Final answer
    x = 251,856.30

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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.