Home / 301,199.27-415,666.02-172,135.49

Finding the Fourth Proportional to 301,199.27, 415,666.02 and 172,135.49

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Solution

The fourth proportional to 301,199.27, 415,666.02 and 172,135.49 is: 237,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,199.27 : 415,666.02 = 172,135.49 : x
  2. Step 2: Convert to fraction form
    301,199.27/415,666.02 = 172,135.49/x
  3. Step 3: Cross multiply
    301,199.27x = 415,666.02 × 172,135.49
  4. Step 4: Simplify right side
    301,199.27x = 71,550,871,950.72
  5. Step 5: Solve for x
    x = 71,550,871,950.72/301,199.27
  6. Step 6: Final answer
    x = 237,553.28

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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.