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Finding the Fourth Proportional to 228,590.40, 342,885.60 and 95,426.40

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Solution

The fourth proportional to 228,590.40, 342,885.60 and 95,426.40 is: 143,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,590.40 : 342,885.60 = 95,426.40 : x
  2. Step 2: Convert to fraction form
    228,590.40/342,885.60 = 95,426.40/x
  3. Step 3: Cross multiply
    228,590.40x = 342,885.60 × 95,426.40
  4. Step 4: Simplify right side
    228,590.40x = 32,720,338,419.84
  5. Step 5: Solve for x
    x = 32,720,338,419.84/228,590.40
  6. Step 6: Final answer
    x = 143,139.60

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