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Finding the Fourth Proportional to 355,696.12, 533,693.94 and 155,913.40

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Solution

The fourth proportional to 355,696.12, 533,693.94 and 155,913.40 is: 233,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,696.12 : 533,693.94 = 155,913.40 : x
  2. Step 2: Convert to fraction form
    355,696.12/533,693.94 = 155,913.40/x
  3. Step 3: Cross multiply
    355,696.12x = 533,693.94 × 155,913.40
  4. Step 4: Simplify right side
    355,696.12x = 83,210,036,744.80
  5. Step 5: Solve for x
    x = 83,210,036,744.80/355,696.12
  6. Step 6: Final answer
    x = 233,935.74

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