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Finding the Fourth Proportional to 295,309.80, 442,964.70 and 253,837.80

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Solution

The fourth proportional to 295,309.80, 442,964.70 and 253,837.80 is: 380,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,309.80 : 442,964.70 = 253,837.80 : x
  2. Step 2: Convert to fraction form
    295,309.80/442,964.70 = 253,837.80/x
  3. Step 3: Cross multiply
    295,309.80x = 442,964.70 × 253,837.80
  4. Step 4: Simplify right side
    295,309.80x = 112,441,184,925.66
  5. Step 5: Solve for x
    x = 112,441,184,925.66/295,309.80
  6. Step 6: Final answer
    x = 380,756.70

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