Home / 386,824.41-580,209.23-102,508.67

Finding the Fourth Proportional to 386,824.41, 580,209.23 and 102,508.67

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Solution

The fourth proportional to 386,824.41, 580,209.23 and 102,508.67 is: 153,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,824.41 : 580,209.23 = 102,508.67 : x
  2. Step 2: Convert to fraction form
    386,824.41/580,209.23 = 102,508.67/x
  3. Step 3: Cross multiply
    386,824.41x = 580,209.23 × 102,508.67
  4. Step 4: Simplify right side
    386,824.41x = 59,476,478,195.82
  5. Step 5: Solve for x
    x = 59,476,478,195.82/386,824.41
  6. Step 6: Final answer
    x = 153,755.75

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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.