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Finding the Fourth Proportional to 342,865.16, 514,379.84 and 143,074.40

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Solution

The fourth proportional to 342,865.16, 514,379.84 and 143,074.40 is: 214,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,865.16 : 514,379.84 = 143,074.40 : x
  2. Step 2: Convert to fraction form
    342,865.16/514,379.84 = 143,074.40/x
  3. Step 3: Cross multiply
    342,865.16x = 514,379.84 × 143,074.40
  4. Step 4: Simplify right side
    342,865.16x = 73,594,583,692.82
  5. Step 5: Solve for x
    x = 73,594,583,692.82/342,865.16
  6. Step 6: Final answer
    x = 214,645.85

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