Home / 395,712.20-593,568.30-143,113.70

Finding the Fourth Proportional to 395,712.20, 593,568.30 and 143,113.70

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Solution

The fourth proportional to 395,712.20, 593,568.30 and 143,113.70 is: 214,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,712.20 : 593,568.30 = 143,113.70 : x
  2. Step 2: Convert to fraction form
    395,712.20/593,568.30 = 143,113.70/x
  3. Step 3: Cross multiply
    395,712.20x = 593,568.30 × 143,113.70
  4. Step 4: Simplify right side
    395,712.20x = 84,947,755,615.71
  5. Step 5: Solve for x
    x = 84,947,755,615.71/395,712.20
  6. Step 6: Final answer
    x = 214,670.55

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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.