Home / 268,784.33-402,895.22-100,236.83

Finding the Fourth Proportional to 268,784.33, 402,895.22 and 100,236.83

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Solution

The fourth proportional to 268,784.33, 402,895.22 and 100,236.83 is: 150,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,784.33 : 402,895.22 = 100,236.83 : x
  2. Step 2: Convert to fraction form
    268,784.33/402,895.22 = 100,236.83/x
  3. Step 3: Cross multiply
    268,784.33x = 402,895.22 × 100,236.83
  4. Step 4: Simplify right side
    268,784.33x = 40,384,937,159.29
  5. Step 5: Solve for x
    x = 40,384,937,159.29/268,784.33
  6. Step 6: Final answer
    x = 150,250.34

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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.