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Finding the Fourth Proportional to 364,500.80, 546,751.20 and 258,212.60

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Solution

The fourth proportional to 364,500.80, 546,751.20 and 258,212.60 is: 387,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,500.80 : 546,751.20 = 258,212.60 : x
  2. Step 2: Convert to fraction form
    364,500.80/546,751.20 = 258,212.60/x
  3. Step 3: Cross multiply
    364,500.80x = 546,751.20 × 258,212.60
  4. Step 4: Simplify right side
    364,500.80x = 141,178,048,905.12
  5. Step 5: Solve for x
    x = 141,178,048,905.12/364,500.80
  6. Step 6: Final answer
    x = 387,318.90

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