Home / 378,072.02-567,218.75-111,839.63

Finding the Fourth Proportional to 378,072.02, 567,218.75 and 111,839.63

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Solution

The fourth proportional to 378,072.02, 567,218.75 and 111,839.63 is: 167,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,072.02 : 567,218.75 = 111,839.63 : x
  2. Step 2: Convert to fraction form
    378,072.02/567,218.75 = 111,839.63/x
  3. Step 3: Cross multiply
    378,072.02x = 567,218.75 × 111,839.63
  4. Step 4: Simplify right side
    378,072.02x = 63,437,531,733.77
  5. Step 5: Solve for x
    x = 63,437,531,733.77/378,072.02
  6. Step 6: Final answer
    x = 167,792.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.