Home / 269,836.40-404,748.95-89,934.85

Finding the Fourth Proportional to 269,836.40, 404,748.95 and 89,934.85

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Solution

The fourth proportional to 269,836.40, 404,748.95 and 89,934.85 is: 134,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,836.40 : 404,748.95 = 89,934.85 : x
  2. Step 2: Convert to fraction form
    269,836.40/404,748.95 = 89,934.85/x
  3. Step 3: Cross multiply
    269,836.40x = 404,748.95 × 89,934.85
  4. Step 4: Simplify right side
    269,836.40x = 36,401,034,644.36
  5. Step 5: Solve for x
    x = 36,401,034,644.36/269,836.40
  6. Step 6: Final answer
    x = 134,900.39

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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.