Home / 296,905.11-445,358.57-72,265.56

Finding the Fourth Proportional to 296,905.11, 445,358.57 and 72,265.56

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Solution

The fourth proportional to 296,905.11, 445,358.57 and 72,265.56 is: 108,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,905.11 : 445,358.57 = 72,265.56 : x
  2. Step 2: Convert to fraction form
    296,905.11/445,358.57 = 72,265.56/x
  3. Step 3: Cross multiply
    296,905.11x = 445,358.57 × 72,265.56
  4. Step 4: Simplify right side
    296,905.11x = 32,184,086,100.52
  5. Step 5: Solve for x
    x = 32,184,086,100.52/296,905.11
  6. Step 6: Final answer
    x = 108,398.56

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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.