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Finding the Fourth Proportional to 310,559.40, 465,903.90 and 177,330.60

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Solution

The fourth proportional to 310,559.40, 465,903.90 and 177,330.60 is: 266,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,559.40 : 465,903.90 = 177,330.60 : x
  2. Step 2: Convert to fraction form
    310,559.40/465,903.90 = 177,330.60/x
  3. Step 3: Cross multiply
    310,559.40x = 465,903.90 × 177,330.60
  4. Step 4: Simplify right side
    310,559.40x = 82,619,018,129.34
  5. Step 5: Solve for x
    x = 82,619,018,129.34/310,559.40
  6. Step 6: Final answer
    x = 266,032.90

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