Home / 378,503.61-567,733.14-141,826.47

Finding the Fourth Proportional to 378,503.61, 567,733.14 and 141,826.47

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Solution

The fourth proportional to 378,503.61, 567,733.14 and 141,826.47 is: 212,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,503.61 : 567,733.14 = 141,826.47 : x
  2. Step 2: Convert to fraction form
    378,503.61/567,733.14 = 141,826.47/x
  3. Step 3: Cross multiply
    378,503.61x = 567,733.14 × 141,826.47
  4. Step 4: Simplify right side
    378,503.61x = 80,519,587,148.22
  5. Step 5: Solve for x
    x = 80,519,587,148.22/378,503.61
  6. Step 6: Final answer
    x = 212,731.36

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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.