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Finding the Fourth Proportional to 284,856.20, 426,721.10 and 249,835.40

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Solution

The fourth proportional to 284,856.20, 426,721.10 and 249,835.40 is: 374,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,856.20 : 426,721.10 = 249,835.40 : x
  2. Step 2: Convert to fraction form
    284,856.20/426,721.10 = 249,835.40/x
  3. Step 3: Cross multiply
    284,856.20x = 426,721.10 × 249,835.40
  4. Step 4: Simplify right side
    284,856.20x = 106,610,036,706.94
  5. Step 5: Solve for x
    x = 106,610,036,706.94/284,856.20
  6. Step 6: Final answer
    x = 374,259.14

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