Home / 268,640.27-370,715.85-146,128.79

Finding the Fourth Proportional to 268,640.27, 370,715.85 and 146,128.79

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Solution

The fourth proportional to 268,640.27, 370,715.85 and 146,128.79 is: 201,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,640.27 : 370,715.85 = 146,128.79 : x
  2. Step 2: Convert to fraction form
    268,640.27/370,715.85 = 146,128.79/x
  3. Step 3: Cross multiply
    268,640.27x = 370,715.85 × 146,128.79
  4. Step 4: Simplify right side
    268,640.27x = 54,172,256,740.74
  5. Step 5: Solve for x
    x = 54,172,256,740.74/268,640.27
  6. Step 6: Final answer
    x = 201,653.53

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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.