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Finding the Fourth Proportional to 298,853.40, 448,280.10 and 132,965.40

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Solution

The fourth proportional to 298,853.40, 448,280.10 and 132,965.40 is: 199,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,853.40 : 448,280.10 = 132,965.40 : x
  2. Step 2: Convert to fraction form
    298,853.40/448,280.10 = 132,965.40/x
  3. Step 3: Cross multiply
    298,853.40x = 448,280.10 × 132,965.40
  4. Step 4: Simplify right side
    298,853.40x = 59,605,742,808.54
  5. Step 5: Solve for x
    x = 59,605,742,808.54/298,853.40
  6. Step 6: Final answer
    x = 199,448.10

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