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Finding the Fourth Proportional to 283,668.47, 425,631.88 and 106,189.32

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Solution

The fourth proportional to 283,668.47, 425,631.88 and 106,189.32 is: 159,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,668.47 : 425,631.88 = 106,189.32 : x
  2. Step 2: Convert to fraction form
    283,668.47/425,631.88 = 106,189.32/x
  3. Step 3: Cross multiply
    283,668.47x = 425,631.88 × 106,189.32
  4. Step 4: Simplify right side
    283,668.47x = 45,197,559,642.05
  5. Step 5: Solve for x
    x = 45,197,559,642.05/283,668.47
  6. Step 6: Final answer
    x = 159,332.33

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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.