Home / 317,631.04-438,335.92-174,404

Finding the Fourth Proportional to 317,631.04, 438,335.92 and 174,404

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Solution

The fourth proportional to 317,631.04, 438,335.92 and 174,404 is: 240,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,631.04 : 438,335.92 = 174,404 : x
  2. Step 2: Convert to fraction form
    317,631.04/438,335.92 = 174,404/x
  3. Step 3: Cross multiply
    317,631.04x = 438,335.92 × 174,404
  4. Step 4: Simplify right side
    317,631.04x = 76,447,537,791.68
  5. Step 5: Solve for x
    x = 76,447,537,791.68/317,631.04
  6. Step 6: Final answer
    x = 240,680.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.