Home / 299,667.15-413,553.21-172,342.83

Finding the Fourth Proportional to 299,667.15, 413,553.21 and 172,342.83

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Solution

The fourth proportional to 299,667.15, 413,553.21 and 172,342.83 is: 237,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,667.15 : 413,553.21 = 172,342.83 : x
  2. Step 2: Convert to fraction form
    299,667.15/413,553.21 = 172,342.83/x
  3. Step 3: Cross multiply
    299,667.15x = 413,553.21 × 172,342.83
  4. Step 4: Simplify right side
    299,667.15x = 71,272,930,566.98
  5. Step 5: Solve for x
    x = 71,272,930,566.98/299,667.15
  6. Step 6: Final answer
    x = 237,840.32

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1.5x scale

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.