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Finding the Fourth Proportional to 358,718.40, 538,034.40 and 148,334.40

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Solution

The fourth proportional to 358,718.40, 538,034.40 and 148,334.40 is: 222,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,718.40 : 538,034.40 = 148,334.40 : x
  2. Step 2: Convert to fraction form
    358,718.40/538,034.40 = 148,334.40/x
  3. Step 3: Cross multiply
    358,718.40x = 538,034.40 × 148,334.40
  4. Step 4: Simplify right side
    358,718.40x = 79,809,009,903.36
  5. Step 5: Solve for x
    x = 79,809,009,903.36/358,718.40
  6. Step 6: Final answer
    x = 222,483.74

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