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Finding the Fourth Proportional to 279,368.64, 385,312.50 and 188,580.84

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Solution

The fourth proportional to 279,368.64, 385,312.50 and 188,580.84 is: 260,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,368.64 : 385,312.50 = 188,580.84 : x
  2. Step 2: Convert to fraction form
    279,368.64/385,312.50 = 188,580.84/x
  3. Step 3: Cross multiply
    279,368.64x = 385,312.50 × 188,580.84
  4. Step 4: Simplify right side
    279,368.64x = 72,662,554,912.50
  5. Step 5: Solve for x
    x = 72,662,554,912.50/279,368.64
  6. Step 6: Final answer
    x = 260,095.60

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