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Finding the Fourth Proportional to 266,522.76, 367,905.11 and 180,439.65

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Solution

The fourth proportional to 266,522.76, 367,905.11 and 180,439.65 is: 249,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,522.76 : 367,905.11 = 180,439.65 : x
  2. Step 2: Convert to fraction form
    266,522.76/367,905.11 = 180,439.65/x
  3. Step 3: Cross multiply
    266,522.76x = 367,905.11 × 180,439.65
  4. Step 4: Simplify right side
    266,522.76x = 66,384,668,379.41
  5. Step 5: Solve for x
    x = 66,384,668,379.41/266,522.76
  6. Step 6: Final answer
    x = 249,076.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.