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Finding the Fourth Proportional to 355,395.20, 532,898.40 and 144,795.20

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Solution

The fourth proportional to 355,395.20, 532,898.40 and 144,795.20 is: 217,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,395.20 : 532,898.40 = 144,795.20 : x
  2. Step 2: Convert to fraction form
    355,395.20/532,898.40 = 144,795.20/x
  3. Step 3: Cross multiply
    355,395.20x = 532,898.40 × 144,795.20
  4. Step 4: Simplify right side
    355,395.20x = 77,161,130,407.68
  5. Step 5: Solve for x
    x = 77,161,130,407.68/355,395.20
  6. Step 6: Final answer
    x = 217,113.60

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