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Finding the Fourth Proportional to 360,430.74, 497,381.90 and 197,091.09

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Solution

The fourth proportional to 360,430.74, 497,381.90 and 197,091.09 is: 271,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,430.74 : 497,381.90 = 197,091.09 : x
  2. Step 2: Convert to fraction form
    360,430.74/497,381.90 = 197,091.09/x
  3. Step 3: Cross multiply
    360,430.74x = 497,381.90 × 197,091.09
  4. Step 4: Simplify right side
    360,430.74x = 98,029,539,831.82
  5. Step 5: Solve for x
    x = 98,029,539,831.82/360,430.74
  6. Step 6: Final answer
    x = 271,978.85

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