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Finding the Fourth Proportional to 456,513.30, 684,769.95 and 156,967.20

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Solution

The fourth proportional to 456,513.30, 684,769.95 and 156,967.20 is: 235,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,513.30 : 684,769.95 = 156,967.20 : x
  2. Step 2: Convert to fraction form
    456,513.30/684,769.95 = 156,967.20/x
  3. Step 3: Cross multiply
    456,513.30x = 684,769.95 × 156,967.20
  4. Step 4: Simplify right side
    456,513.30x = 107,486,421,695.64
  5. Step 5: Solve for x
    x = 107,486,421,695.64/456,513.30
  6. Step 6: Final answer
    x = 235,450.80

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