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Finding the Fourth Proportional to 458,963.04, 633,367.84 and 255,013.12

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Solution

The fourth proportional to 458,963.04, 633,367.84 and 255,013.12 is: 351,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,963.04 : 633,367.84 = 255,013.12 : x
  2. Step 2: Convert to fraction form
    458,963.04/633,367.84 = 255,013.12/x
  3. Step 3: Cross multiply
    458,963.04x = 633,367.84 × 255,013.12
  4. Step 4: Simplify right side
    458,963.04x = 161,517,108,986.06
  5. Step 5: Solve for x
    x = 161,517,108,986.06/458,963.04
  6. Step 6: Final answer
    x = 351,917.46

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1.5x scale

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.