Home / 268,641.27-370,717.23-146,129.79

Finding the Fourth Proportional to 268,641.27, 370,717.23 and 146,129.79

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Solution

The fourth proportional to 268,641.27, 370,717.23 and 146,129.79 is: 201,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,641.27 : 370,717.23 = 146,129.79 : x
  2. Step 2: Convert to fraction form
    268,641.27/370,717.23 = 146,129.79/x
  3. Step 3: Cross multiply
    268,641.27x = 370,717.23 × 146,129.79
  4. Step 4: Simplify right side
    268,641.27x = 54,172,830,969.28
  5. Step 5: Solve for x
    x = 54,172,830,969.28/268,641.27
  6. Step 6: Final answer
    x = 201,654.91

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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.