Home / 205,246.08-307,869-149,441.28

Finding the Fourth Proportional to 205,246.08, 307,869 and 149,441.28

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Solution

The fourth proportional to 205,246.08, 307,869 and 149,441.28 is: 224,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,246.08 : 307,869 = 149,441.28 : x
  2. Step 2: Convert to fraction form
    205,246.08/307,869 = 149,441.28/x
  3. Step 3: Cross multiply
    205,246.08x = 307,869 × 149,441.28
  4. Step 4: Simplify right side
    205,246.08x = 46,008,337,432.32
  5. Step 5: Solve for x
    x = 46,008,337,432.32/205,246.08
  6. Step 6: Final answer
    x = 224,161.83

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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.