Home / 331,802.10-457,867.17-188,542.26

Finding the Fourth Proportional to 331,802.10, 457,867.17 and 188,542.26

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Solution

The fourth proportional to 331,802.10, 457,867.17 and 188,542.26 is: 260,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,802.10 : 457,867.17 = 188,542.26 : x
  2. Step 2: Convert to fraction form
    331,802.10/457,867.17 = 188,542.26/x
  3. Step 3: Cross multiply
    331,802.10x = 457,867.17 × 188,542.26
  4. Step 4: Simplify right side
    331,802.10x = 86,327,311,011.60
  5. Step 5: Solve for x
    x = 86,327,311,011.60/331,802.10
  6. Step 6: Final answer
    x = 260,177.11

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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.