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Finding the Fourth Proportional to 340,374.90, 510,877.56 and 172,013.70

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Solution

The fourth proportional to 340,374.90, 510,877.56 and 172,013.70 is: 258,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,374.90 : 510,877.56 = 172,013.70 : x
  2. Step 2: Convert to fraction form
    340,374.90/510,877.56 = 172,013.70/x
  3. Step 3: Cross multiply
    340,374.90x = 510,877.56 × 172,013.70
  4. Step 4: Simplify right side
    340,374.90x = 87,877,939,342.57
  5. Step 5: Solve for x
    x = 87,877,939,342.57/340,374.90
  6. Step 6: Final answer
    x = 258,179.85

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