Home / 378,501.36-567,729.77-141,824.22

Finding the Fourth Proportional to 378,501.36, 567,729.77 and 141,824.22

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Solution

The fourth proportional to 378,501.36, 567,729.77 and 141,824.22 is: 212,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,501.36 : 567,729.77 = 141,824.22 : x
  2. Step 2: Convert to fraction form
    378,501.36/567,729.77 = 141,824.22/x
  3. Step 3: Cross multiply
    378,501.36x = 567,729.77 × 141,824.22
  4. Step 4: Simplify right side
    378,501.36x = 80,517,831,091.91
  5. Step 5: Solve for x
    x = 80,517,831,091.91/378,501.36
  6. Step 6: Final answer
    x = 212,727.98

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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.