Home / 331,809.28-457,898.88-180,908.80

Finding the Fourth Proportional to 331,809.28, 457,898.88 and 180,908.80

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Solution

The fourth proportional to 331,809.28, 457,898.88 and 180,908.80 is: 249,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,809.28 : 457,898.88 = 180,908.80 : x
  2. Step 2: Convert to fraction form
    331,809.28/457,898.88 = 180,908.80/x
  3. Step 3: Cross multiply
    331,809.28x = 457,898.88 × 180,908.80
  4. Step 4: Simplify right side
    331,809.28x = 82,837,936,902.14
  5. Step 5: Solve for x
    x = 82,837,936,902.14/331,809.28
  6. Step 6: Final answer
    x = 249,655.27

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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.