Home / 245,317.32-338,569.20-149,803.92

Finding the Fourth Proportional to 245,317.32, 338,569.20 and 149,803.92

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Solution

The fourth proportional to 245,317.32, 338,569.20 and 149,803.92 is: 206,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,317.32 : 338,569.20 = 149,803.92 : x
  2. Step 2: Convert to fraction form
    245,317.32/338,569.20 = 149,803.92/x
  3. Step 3: Cross multiply
    245,317.32x = 338,569.20 × 149,803.92
  4. Step 4: Simplify right side
    245,317.32x = 50,718,993,351.26
  5. Step 5: Solve for x
    x = 50,718,993,351.26/245,317.32
  6. Step 6: Final answer
    x = 206,748.52

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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.