Home / 396,430.20-594,645.30-238,966.20

Finding the Fourth Proportional to 396,430.20, 594,645.30 and 238,966.20

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Solution

The fourth proportional to 396,430.20, 594,645.30 and 238,966.20 is: 358,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,430.20 : 594,645.30 = 238,966.20 : x
  2. Step 2: Convert to fraction form
    396,430.20/594,645.30 = 238,966.20/x
  3. Step 3: Cross multiply
    396,430.20x = 594,645.30 × 238,966.20
  4. Step 4: Simplify right side
    396,430.20x = 142,100,127,688.86
  5. Step 5: Solve for x
    x = 142,100,127,688.86/396,430.20
  6. Step 6: Final answer
    x = 358,449.30

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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.