Home / 457,930.28-631,981.54-254,046.84

Finding the Fourth Proportional to 457,930.28, 631,981.54 and 254,046.84

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Solution

The fourth proportional to 457,930.28, 631,981.54 and 254,046.84 is: 350,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,930.28 : 631,981.54 = 254,046.84 : x
  2. Step 2: Convert to fraction form
    457,930.28/631,981.54 = 254,046.84/x
  3. Step 3: Cross multiply
    457,930.28x = 631,981.54 × 254,046.84
  4. Step 4: Simplify right side
    457,930.28x = 160,552,913,175.33
  5. Step 5: Solve for x
    x = 160,552,913,175.33/457,930.28
  6. Step 6: Final answer
    x = 350,605.58

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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.