Home / 320,929.09-442,851.30-191,841.82

Finding the Fourth Proportional to 320,929.09, 442,851.30 and 191,841.82

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Solution

The fourth proportional to 320,929.09, 442,851.30 and 191,841.82 is: 264,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,929.09 : 442,851.30 = 191,841.82 : x
  2. Step 2: Convert to fraction form
    320,929.09/442,851.30 = 191,841.82/x
  3. Step 3: Cross multiply
    320,929.09x = 442,851.30 × 191,841.82
  4. Step 4: Simplify right side
    320,929.09x = 84,957,398,274.24
  5. Step 5: Solve for x
    x = 84,957,398,274.24/320,929.09
  6. Step 6: Final answer
    x = 264,723.27

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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.