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Finding the Fourth Proportional to 316,275.76, 474,569.44 and 147,807.76

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Solution

The fourth proportional to 316,275.76, 474,569.44 and 147,807.76 is: 221,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,275.76 : 474,569.44 = 147,807.76 : x
  2. Step 2: Convert to fraction form
    316,275.76/474,569.44 = 147,807.76/x
  3. Step 3: Cross multiply
    316,275.76x = 474,569.44 × 147,807.76
  4. Step 4: Simplify right side
    316,275.76x = 70,145,045,890.85
  5. Step 5: Solve for x
    x = 70,145,045,890.85/316,275.76
  6. Step 6: Final answer
    x = 221,784.45

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