Home / 361,856.20-542,784.30-268,544.20

Finding the Fourth Proportional to 361,856.20, 542,784.30 and 268,544.20

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Solution

The fourth proportional to 361,856.20, 542,784.30 and 268,544.20 is: 402,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,856.20 : 542,784.30 = 268,544.20 : x
  2. Step 2: Convert to fraction form
    361,856.20/542,784.30 = 268,544.20/x
  3. Step 3: Cross multiply
    361,856.20x = 542,784.30 × 268,544.20
  4. Step 4: Simplify right side
    361,856.20x = 145,761,575,616.06
  5. Step 5: Solve for x
    x = 145,761,575,616.06/361,856.20
  6. Step 6: Final answer
    x = 402,816.30

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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.