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Finding the Fourth Proportional to 458,840.22, 633,300.63 and 254,961.06

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Solution

The fourth proportional to 458,840.22, 633,300.63 and 254,961.06 is: 351,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,840.22 : 633,300.63 = 254,961.06 : x
  2. Step 2: Convert to fraction form
    458,840.22/633,300.63 = 254,961.06/x
  3. Step 3: Cross multiply
    458,840.22x = 633,300.63 × 254,961.06
  4. Step 4: Simplify right side
    458,840.22x = 161,466,999,923.47
  5. Step 5: Solve for x
    x = 161,466,999,923.47/458,840.22
  6. Step 6: Final answer
    x = 351,902.46

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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.