Home / 268,220.04-402,379.38-88,315.80

Finding the Fourth Proportional to 268,220.04, 402,379.38 and 88,315.80

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Solution

The fourth proportional to 268,220.04, 402,379.38 and 88,315.80 is: 132,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,220.04 : 402,379.38 = 88,315.80 : x
  2. Step 2: Convert to fraction form
    268,220.04/402,379.38 = 88,315.80/x
  3. Step 3: Cross multiply
    268,220.04x = 402,379.38 × 88,315.80
  4. Step 4: Simplify right side
    268,220.04x = 35,536,456,848.20
  5. Step 5: Solve for x
    x = 35,536,456,848.20/268,220.04
  6. Step 6: Final answer
    x = 132,489.94

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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.