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Finding the Fourth Proportional to 458,858.64, 633,204.36 and 254,923.86

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Solution

The fourth proportional to 458,858.64, 633,204.36 and 254,923.86 is: 351,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,858.64 : 633,204.36 = 254,923.86 : x
  2. Step 2: Convert to fraction form
    458,858.64/633,204.36 = 254,923.86/x
  3. Step 3: Cross multiply
    458,858.64x = 633,204.36 × 254,923.86
  4. Step 4: Simplify right side
    458,858.64x = 161,418,899,620.03
  5. Step 5: Solve for x
    x = 161,418,899,620.03/458,858.64
  6. Step 6: Final answer
    x = 351,783.50

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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.