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Finding the Fourth Proportional to 255,643.54, 353,425.82 and 191,870.62

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Solution

The fourth proportional to 255,643.54, 353,425.82 and 191,870.62 is: 265,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,643.54 : 353,425.82 = 191,870.62 : x
  2. Step 2: Convert to fraction form
    255,643.54/353,425.82 = 191,870.62/x
  3. Step 3: Cross multiply
    255,643.54x = 353,425.82 × 191,870.62
  4. Step 4: Simplify right side
    255,643.54x = 67,812,031,207.41
  5. Step 5: Solve for x
    x = 67,812,031,207.41/255,643.54
  6. Step 6: Final answer
    x = 265,260.10

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