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Finding the Fourth Proportional to 474,210.80, 711,316.20 and 208,098.80

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Solution

The fourth proportional to 474,210.80, 711,316.20 and 208,098.80 is: 312,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,210.80 : 711,316.20 = 208,098.80 : x
  2. Step 2: Convert to fraction form
    474,210.80/711,316.20 = 208,098.80/x
  3. Step 3: Cross multiply
    474,210.80x = 711,316.20 × 208,098.80
  4. Step 4: Simplify right side
    474,210.80x = 148,024,047,640.56
  5. Step 5: Solve for x
    x = 148,024,047,640.56/474,210.80
  6. Step 6: Final answer
    x = 312,148.20

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