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Finding the Fourth Proportional to 284,543.70, 426,815.55 and 142,826.10

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Solution

The fourth proportional to 284,543.70, 426,815.55 and 142,826.10 is: 214,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,543.70 : 426,815.55 = 142,826.10 : x
  2. Step 2: Convert to fraction form
    284,543.70/426,815.55 = 142,826.10/x
  3. Step 3: Cross multiply
    284,543.70x = 426,815.55 × 142,826.10
  4. Step 4: Simplify right side
    284,543.70x = 60,960,400,425.86
  5. Step 5: Solve for x
    x = 60,960,400,425.86/284,543.70
  6. Step 6: Final answer
    x = 214,239.15

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