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Finding the Fourth Proportional to 283,568.59, 391,400.12 and 167,384.21

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Solution

The fourth proportional to 283,568.59, 391,400.12 and 167,384.21 is: 231,034.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,568.59 : 391,400.12 = 167,384.21 : x
  2. Step 2: Convert to fraction form
    283,568.59/391,400.12 = 167,384.21/x
  3. Step 3: Cross multiply
    283,568.59x = 391,400.12 × 167,384.21
  4. Step 4: Simplify right side
    283,568.59x = 65,514,199,043.18
  5. Step 5: Solve for x
    x = 65,514,199,043.18/283,568.59
  6. Step 6: Final answer
    x = 231,034.76

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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.