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Finding the Fourth Proportional to 461,051.96, 636,254.46 and 257,115.76

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Solution

The fourth proportional to 461,051.96, 636,254.46 and 257,115.76 is: 354,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,051.96 : 636,254.46 = 257,115.76 : x
  2. Step 2: Convert to fraction form
    461,051.96/636,254.46 = 257,115.76/x
  3. Step 3: Cross multiply
    461,051.96x = 636,254.46 × 257,115.76
  4. Step 4: Simplify right side
    461,051.96x = 163,591,047,445.65
  5. Step 5: Solve for x
    x = 163,591,047,445.65/461,051.96
  6. Step 6: Final answer
    x = 354,821.29

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