Home / 268,480.11-370,502.47-147,629.22

Finding the Fourth Proportional to 268,480.11, 370,502.47 and 147,629.22

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Solution

The fourth proportional to 268,480.11, 370,502.47 and 147,629.22 is: 203,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,480.11 : 370,502.47 = 147,629.22 : x
  2. Step 2: Convert to fraction form
    268,480.11/370,502.47 = 147,629.22/x
  3. Step 3: Cross multiply
    268,480.11x = 370,502.47 × 147,629.22
  4. Step 4: Simplify right side
    268,480.11x = 54,696,990,389.57
  5. Step 5: Solve for x
    x = 54,696,990,389.57/268,480.11
  6. Step 6: Final answer
    x = 203,728.28

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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.