Home / 268,776.90-403,182.97-100,293.05

Finding the Fourth Proportional to 268,776.90, 403,182.97 and 100,293.05

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Solution

The fourth proportional to 268,776.90, 403,182.97 and 100,293.05 is: 150,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,776.90 : 403,182.97 = 100,293.05 : x
  2. Step 2: Convert to fraction form
    268,776.90/403,182.97 = 100,293.05/x
  3. Step 3: Cross multiply
    268,776.90x = 403,182.97 × 100,293.05
  4. Step 4: Simplify right side
    268,776.90x = 40,436,450,526.58
  5. Step 5: Solve for x
    x = 40,436,450,526.58/268,776.90
  6. Step 6: Final answer
    x = 150,446.15

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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.