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Finding the Fourth Proportional to 499,276.90, 748,915.35 and 162,316.90

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Solution

The fourth proportional to 499,276.90, 748,915.35 and 162,316.90 is: 243,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,276.90 : 748,915.35 = 162,316.90 : x
  2. Step 2: Convert to fraction form
    499,276.90/748,915.35 = 162,316.90/x
  3. Step 3: Cross multiply
    499,276.90x = 748,915.35 × 162,316.90
  4. Step 4: Simplify right side
    499,276.90x = 121,561,617,974.42
  5. Step 5: Solve for x
    x = 121,561,617,974.42/499,276.90
  6. Step 6: Final answer
    x = 243,475.35

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