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Finding the Fourth Proportional to 297,101.97, 444,521.16 and 261,278.91

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Solution

The fourth proportional to 297,101.97, 444,521.16 and 261,278.91 is: 390,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,101.97 : 444,521.16 = 261,278.91 : x
  2. Step 2: Convert to fraction form
    297,101.97/444,521.16 = 261,278.91/x
  3. Step 3: Cross multiply
    297,101.97x = 444,521.16 × 261,278.91
  4. Step 4: Simplify right side
    297,101.97x = 116,144,004,156.74
  5. Step 5: Solve for x
    x = 116,144,004,156.74/297,101.97
  6. Step 6: Final answer
    x = 390,923.04

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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.