Home / 249,936.72-374,434.20-123,428.88

Finding the Fourth Proportional to 249,936.72, 374,434.20 and 123,428.88

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Solution

The fourth proportional to 249,936.72, 374,434.20 and 123,428.88 is: 184,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,936.72 : 374,434.20 = 123,428.88 : x
  2. Step 2: Convert to fraction form
    249,936.72/374,434.20 = 123,428.88/x
  3. Step 3: Cross multiply
    249,936.72x = 374,434.20 × 123,428.88
  4. Step 4: Simplify right side
    249,936.72x = 46,215,993,939.70
  5. Step 5: Solve for x
    x = 46,215,993,939.70/249,936.72
  6. Step 6: Final answer
    x = 184,910.78

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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.