Home / 294,389.04-441,288.31-136,728.21

Finding the Fourth Proportional to 294,389.04, 441,288.31 and 136,728.21

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Solution

The fourth proportional to 294,389.04, 441,288.31 and 136,728.21 is: 204,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,389.04 : 441,288.31 = 136,728.21 : x
  2. Step 2: Convert to fraction form
    294,389.04/441,288.31 = 136,728.21/x
  3. Step 3: Cross multiply
    294,389.04x = 441,288.31 × 136,728.21
  4. Step 4: Simplify right side
    294,389.04x = 60,336,560,720.23
  5. Step 5: Solve for x
    x = 60,336,560,720.23/294,389.04
  6. Step 6: Final answer
    x = 204,955.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.