Home / 268,320.20-402,480.30-193,962.20

Finding the Fourth Proportional to 268,320.20, 402,480.30 and 193,962.20

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Solution

The fourth proportional to 268,320.20, 402,480.30 and 193,962.20 is: 290,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,320.20 : 402,480.30 = 193,962.20 : x
  2. Step 2: Convert to fraction form
    268,320.20/402,480.30 = 193,962.20/x
  3. Step 3: Cross multiply
    268,320.20x = 402,480.30 × 193,962.20
  4. Step 4: Simplify right side
    268,320.20x = 78,065,964,444.66
  5. Step 5: Solve for x
    x = 78,065,964,444.66/268,320.20
  6. Step 6: Final answer
    x = 290,943.30

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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.