Home / 238,680.43-357,965.20-70,155.67

Finding the Fourth Proportional to 238,680.43, 357,965.20 and 70,155.67

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Solution

The fourth proportional to 238,680.43, 357,965.20 and 70,155.67 is: 105,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,680.43 : 357,965.20 = 70,155.67 : x
  2. Step 2: Convert to fraction form
    238,680.43/357,965.20 = 70,155.67/x
  3. Step 3: Cross multiply
    238,680.43x = 357,965.20 × 70,155.67
  4. Step 4: Simplify right side
    238,680.43x = 25,113,288,442.68
  5. Step 5: Solve for x
    x = 25,113,288,442.68/238,680.43
  6. Step 6: Final answer
    x = 105,217.21

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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.