Home / 288,071.03-432,193.02-136,383.75

Finding the Fourth Proportional to 288,071.03, 432,193.02 and 136,383.75

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Solution

The fourth proportional to 288,071.03, 432,193.02 and 136,383.75 is: 204,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,071.03 : 432,193.02 = 136,383.75 : x
  2. Step 2: Convert to fraction form
    288,071.03/432,193.02 = 136,383.75/x
  3. Step 3: Cross multiply
    288,071.03x = 432,193.02 × 136,383.75
  4. Step 4: Simplify right side
    288,071.03x = 58,944,104,279.99
  5. Step 5: Solve for x
    x = 58,944,104,279.99/288,071.03
  6. Step 6: Final answer
    x = 204,616.56

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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.