Home / 358,667.90-538,001.85-331,634.30

Finding the Fourth Proportional to 358,667.90, 538,001.85 and 331,634.30

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Solution

The fourth proportional to 358,667.90, 538,001.85 and 331,634.30 is: 497,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,667.90 : 538,001.85 = 331,634.30 : x
  2. Step 2: Convert to fraction form
    358,667.90/538,001.85 = 331,634.30/x
  3. Step 3: Cross multiply
    358,667.90x = 538,001.85 × 331,634.30
  4. Step 4: Simplify right side
    358,667.90x = 178,419,866,923.46
  5. Step 5: Solve for x
    x = 178,419,866,923.46/358,667.90
  6. Step 6: Final answer
    x = 497,451.45

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1.5x scale

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.