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Finding the Fourth Proportional to 228,962.84, 315,957.48 and 126,980.32

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Solution

The fourth proportional to 228,962.84, 315,957.48 and 126,980.32 is: 175,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,962.84 : 315,957.48 = 126,980.32 : x
  2. Step 2: Convert to fraction form
    228,962.84/315,957.48 = 126,980.32/x
  3. Step 3: Cross multiply
    228,962.84x = 315,957.48 × 126,980.32
  4. Step 4: Simplify right side
    228,962.84x = 40,120,381,916.79
  5. Step 5: Solve for x
    x = 40,120,381,916.79/228,962.84
  6. Step 6: Final answer
    x = 175,226.61

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