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Finding the Fourth Proportional to 306,010.60, 459,088.80 and 148,109.20

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Solution

The fourth proportional to 306,010.60, 459,088.80 and 148,109.20 is: 222,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,010.60 : 459,088.80 = 148,109.20 : x
  2. Step 2: Convert to fraction form
    306,010.60/459,088.80 = 148,109.20/x
  3. Step 3: Cross multiply
    306,010.60x = 459,088.80 × 148,109.20
  4. Step 4: Simplify right side
    306,010.60x = 67,995,274,896.96
  5. Step 5: Solve for x
    x = 67,995,274,896.96/306,010.60
  6. Step 6: Final answer
    x = 222,199.08

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