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Finding the Fourth Proportional to 305,215.60, 457,823.40 and 94,874.80

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Solution

The fourth proportional to 305,215.60, 457,823.40 and 94,874.80 is: 142,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,215.60 : 457,823.40 = 94,874.80 : x
  2. Step 2: Convert to fraction form
    305,215.60/457,823.40 = 94,874.80/x
  3. Step 3: Cross multiply
    305,215.60x = 457,823.40 × 94,874.80
  4. Step 4: Simplify right side
    305,215.60x = 43,435,903,510.32
  5. Step 5: Solve for x
    x = 43,435,903,510.32/305,215.60
  6. Step 6: Final answer
    x = 142,312.20

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