Home / 245,023.65-338,169.24-149,585.76

Finding the Fourth Proportional to 245,023.65, 338,169.24 and 149,585.76

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Solution

The fourth proportional to 245,023.65, 338,169.24 and 149,585.76 is: 206,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,023.65 : 338,169.24 = 149,585.76 : x
  2. Step 2: Convert to fraction form
    245,023.65/338,169.24 = 149,585.76/x
  3. Step 3: Cross multiply
    245,023.65x = 338,169.24 × 149,585.76
  4. Step 4: Simplify right side
    245,023.65x = 50,585,302,774.02
  5. Step 5: Solve for x
    x = 50,585,302,774.02/245,023.65
  6. Step 6: Final answer
    x = 206,450.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.