Home / 457,614.24-631,511.88-253,667.36

Finding the Fourth Proportional to 457,614.24, 631,511.88 and 253,667.36

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Solution

The fourth proportional to 457,614.24, 631,511.88 and 253,667.36 is: 350,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,614.24 : 631,511.88 = 253,667.36 : x
  2. Step 2: Convert to fraction form
    457,614.24/631,511.88 = 253,667.36/x
  3. Step 3: Cross multiply
    457,614.24x = 631,511.88 × 253,667.36
  4. Step 4: Simplify right side
    457,614.24x = 160,193,951,408.24
  5. Step 5: Solve for x
    x = 160,193,951,408.24/457,614.24
  6. Step 6: Final answer
    x = 350,063.30

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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.