Home / 267,780.03-401,389.74-90,225.69

Finding the Fourth Proportional to 267,780.03, 401,389.74 and 90,225.69

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Solution

The fourth proportional to 267,780.03, 401,389.74 and 90,225.69 is: 135,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,780.03 : 401,389.74 = 90,225.69 : x
  2. Step 2: Convert to fraction form
    267,780.03/401,389.74 = 90,225.69/x
  3. Step 3: Cross multiply
    267,780.03x = 401,389.74 × 90,225.69
  4. Step 4: Simplify right side
    267,780.03x = 36,215,666,250.42
  5. Step 5: Solve for x
    x = 36,215,666,250.42/267,780.03
  6. Step 6: Final answer
    x = 135,244.09

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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.