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Finding the Fourth Proportional to 363,909.70, 545,864.55 and 249,748.30

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Solution

The fourth proportional to 363,909.70, 545,864.55 and 249,748.30 is: 374,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,909.70 : 545,864.55 = 249,748.30 : x
  2. Step 2: Convert to fraction form
    363,909.70/545,864.55 = 249,748.30/x
  3. Step 3: Cross multiply
    363,909.70x = 545,864.55 × 249,748.30
  4. Step 4: Simplify right side
    363,909.70x = 136,328,743,392.77
  5. Step 5: Solve for x
    x = 136,328,743,392.77/363,909.70
  6. Step 6: Final answer
    x = 374,622.45

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