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Finding the Fourth Proportional to 346,312.40, 519,468.60 and 159,688.40

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Solution

The fourth proportional to 346,312.40, 519,468.60 and 159,688.40 is: 239,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,312.40 : 519,468.60 = 159,688.40 : x
  2. Step 2: Convert to fraction form
    346,312.40/519,468.60 = 159,688.40/x
  3. Step 3: Cross multiply
    346,312.40x = 519,468.60 × 159,688.40
  4. Step 4: Simplify right side
    346,312.40x = 82,953,109,584.24
  5. Step 5: Solve for x
    x = 82,953,109,584.24/346,312.40
  6. Step 6: Final answer
    x = 239,532.60

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