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Finding the Fourth Proportional to 305,951.47, 420,715.70 and 265,594.63

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Solution

The fourth proportional to 305,951.47, 420,715.70 and 265,594.63 is: 365,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,951.47 : 420,715.70 = 265,594.63 : x
  2. Step 2: Convert to fraction form
    305,951.47/420,715.70 = 265,594.63/x
  3. Step 3: Cross multiply
    305,951.47x = 420,715.70 × 265,594.63
  4. Step 4: Simplify right side
    305,951.47x = 111,739,829,348.72
  5. Step 5: Solve for x
    x = 111,739,829,348.72/305,951.47
  6. Step 6: Final answer
    x = 365,220.76

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