Home / 320,013.77-441,287.53-274,841.15

Finding the Fourth Proportional to 320,013.77, 441,287.53 and 274,841.15

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Solution

The fourth proportional to 320,013.77, 441,287.53 and 274,841.15 is: 378,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,013.77 : 441,287.53 = 274,841.15 : x
  2. Step 2: Convert to fraction form
    320,013.77/441,287.53 = 274,841.15/x
  3. Step 3: Cross multiply
    320,013.77x = 441,287.53 × 274,841.15
  4. Step 4: Simplify right side
    320,013.77x = 121,283,969,332.32
  5. Step 5: Solve for x
    x = 121,283,969,332.32/320,013.77
  6. Step 6: Final answer
    x = 378,996.10

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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.