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Finding the Fourth Proportional to 357,892.74, 536,445.45 and 147,415.86

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Solution

The fourth proportional to 357,892.74, 536,445.45 and 147,415.86 is: 220,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,892.74 : 536,445.45 = 147,415.86 : x
  2. Step 2: Convert to fraction form
    357,892.74/536,445.45 = 147,415.86/x
  3. Step 3: Cross multiply
    357,892.74x = 536,445.45 × 147,415.86
  4. Step 4: Simplify right side
    357,892.74x = 79,080,567,354.84
  5. Step 5: Solve for x
    x = 79,080,567,354.84/357,892.74
  6. Step 6: Final answer
    x = 220,961.64

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