Home / 257,723.90-355,676.74-144,553.94

Finding the Fourth Proportional to 257,723.90, 355,676.74 and 144,553.94

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Solution

The fourth proportional to 257,723.90, 355,676.74 and 144,553.94 is: 199,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,723.90 : 355,676.74 = 144,553.94 : x
  2. Step 2: Convert to fraction form
    257,723.90/355,676.74 = 144,553.94/x
  3. Step 3: Cross multiply
    257,723.90x = 355,676.74 × 144,553.94
  4. Step 4: Simplify right side
    257,723.90x = 51,414,474,133.36
  5. Step 5: Solve for x
    x = 51,414,474,133.36/257,723.90
  6. Step 6: Final answer
    x = 199,494.40

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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.