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Finding the Fourth Proportional to 347,348.70, 479,435.49 and 204,154.74

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Solution

The fourth proportional to 347,348.70, 479,435.49 and 204,154.74 is: 281,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,348.70 : 479,435.49 = 204,154.74 : x
  2. Step 2: Convert to fraction form
    347,348.70/479,435.49 = 204,154.74/x
  3. Step 3: Cross multiply
    347,348.70x = 479,435.49 × 204,154.74
  4. Step 4: Simplify right side
    347,348.70x = 97,879,027,807.72
  5. Step 5: Solve for x
    x = 97,879,027,807.72/347,348.70
  6. Step 6: Final answer
    x = 281,788.96

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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.