Home / 268,542.20-402,922.76-172,586.88

Finding the Fourth Proportional to 268,542.20, 402,922.76 and 172,586.88

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Solution

The fourth proportional to 268,542.20, 402,922.76 and 172,586.88 is: 258,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,542.20 : 402,922.76 = 172,586.88 : x
  2. Step 2: Convert to fraction form
    268,542.20/402,922.76 = 172,586.88/x
  3. Step 3: Cross multiply
    268,542.20x = 402,922.76 × 172,586.88
  4. Step 4: Simplify right side
    268,542.20x = 69,539,182,029.39
  5. Step 5: Solve for x
    x = 69,539,182,029.39/268,542.20
  6. Step 6: Final answer
    x = 258,950.67

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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.