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Finding the Fourth Proportional to 354,898.40, 532,347.60 and 228,927.20

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Solution

The fourth proportional to 354,898.40, 532,347.60 and 228,927.20 is: 343,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,898.40 : 532,347.60 = 228,927.20 : x
  2. Step 2: Convert to fraction form
    354,898.40/532,347.60 = 228,927.20/x
  3. Step 3: Cross multiply
    354,898.40x = 532,347.60 × 228,927.20
  4. Step 4: Simplify right side
    354,898.40x = 121,868,845,494.72
  5. Step 5: Solve for x
    x = 121,868,845,494.72/354,898.40
  6. Step 6: Final answer
    x = 343,390.80

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