Home / 255,972.04-353,304.66-155,454.28

Finding the Fourth Proportional to 255,972.04, 353,304.66 and 155,454.28

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Solution

The fourth proportional to 255,972.04, 353,304.66 and 155,454.28 is: 214,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,972.04 : 353,304.66 = 155,454.28 : x
  2. Step 2: Convert to fraction form
    255,972.04/353,304.66 = 155,454.28/x
  3. Step 3: Cross multiply
    255,972.04x = 353,304.66 × 155,454.28
  4. Step 4: Simplify right side
    255,972.04x = 54,922,721,540.94
  5. Step 5: Solve for x
    x = 54,922,721,540.94/255,972.04
  6. Step 6: Final answer
    x = 214,565.32

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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.