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Finding the Fourth Proportional to 230,383.35, 318,125.41 and 144,486.90

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Solution

The fourth proportional to 230,383.35, 318,125.41 and 144,486.90 is: 199,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,383.35 : 318,125.41 = 144,486.90 : x
  2. Step 2: Convert to fraction form
    230,383.35/318,125.41 = 144,486.90/x
  3. Step 3: Cross multiply
    230,383.35x = 318,125.41 × 144,486.90
  4. Step 4: Simplify right side
    230,383.35x = 45,964,953,940.91
  5. Step 5: Solve for x
    x = 45,964,953,940.91/230,383.35
  6. Step 6: Final answer
    x = 199,515.09

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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.