Home / 401,020.50-553,408.41-239,882.34

Finding the Fourth Proportional to 401,020.50, 553,408.41 and 239,882.34

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Solution

The fourth proportional to 401,020.50, 553,408.41 and 239,882.34 is: 331,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,020.50 : 553,408.41 = 239,882.34 : x
  2. Step 2: Convert to fraction form
    401,020.50/553,408.41 = 239,882.34/x
  3. Step 3: Cross multiply
    401,020.50x = 553,408.41 × 239,882.34
  4. Step 4: Simplify right side
    401,020.50x = 132,752,904,366.48
  5. Step 5: Solve for x
    x = 132,752,904,366.48/401,020.50
  6. Step 6: Final answer
    x = 331,037.70

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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.