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Finding the Fourth Proportional to 297,719.80, 446,061.30 and 256,247.80

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Solution

The fourth proportional to 297,719.80, 446,061.30 and 256,247.80 is: 383,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,719.80 : 446,061.30 = 256,247.80 : x
  2. Step 2: Convert to fraction form
    297,719.80/446,061.30 = 256,247.80/x
  3. Step 3: Cross multiply
    297,719.80x = 446,061.30 × 256,247.80
  4. Step 4: Simplify right side
    297,719.80x = 114,302,226,790.14
  5. Step 5: Solve for x
    x = 114,302,226,790.14/297,719.80
  6. Step 6: Final answer
    x = 383,925.51

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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.