Home / 268,669.11-370,763.40-147,807.81

Finding the Fourth Proportional to 268,669.11, 370,763.40 and 147,807.81

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Solution

The fourth proportional to 268,669.11, 370,763.40 and 147,807.81 is: 203,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,669.11 : 370,763.40 = 147,807.81 : x
  2. Step 2: Convert to fraction form
    268,669.11/370,763.40 = 147,807.81/x
  3. Step 3: Cross multiply
    268,669.11x = 370,763.40 × 147,807.81
  4. Step 4: Simplify right side
    268,669.11x = 54,801,726,182.15
  5. Step 5: Solve for x
    x = 54,801,726,182.15/268,669.11
  6. Step 6: Final answer
    x = 203,974.79

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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.