Home / 330,484.69-456,067.68-187,272.10

Finding the Fourth Proportional to 330,484.69, 456,067.68 and 187,272.10

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Solution

The fourth proportional to 330,484.69, 456,067.68 and 187,272.10 is: 258,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,484.69 : 456,067.68 = 187,272.10 : x
  2. Step 2: Convert to fraction form
    330,484.69/456,067.68 = 187,272.10/x
  3. Step 3: Cross multiply
    330,484.69x = 456,067.68 × 187,272.10
  4. Step 4: Simplify right side
    330,484.69x = 85,408,749,895.39
  5. Step 5: Solve for x
    x = 85,408,749,895.39/330,484.69
  6. Step 6: Final answer
    x = 258,434.82

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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.