Home / 296,505.41-444,439.04-128,105.46

Finding the Fourth Proportional to 296,505.41, 444,439.04 and 128,105.46

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Solution

The fourth proportional to 296,505.41, 444,439.04 and 128,105.46 is: 192,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,505.41 : 444,439.04 = 128,105.46 : x
  2. Step 2: Convert to fraction form
    296,505.41/444,439.04 = 128,105.46/x
  3. Step 3: Cross multiply
    296,505.41x = 444,439.04 × 128,105.46
  4. Step 4: Simplify right side
    296,505.41x = 56,935,067,020.63
  5. Step 5: Solve for x
    x = 56,935,067,020.63/296,505.41
  6. Step 6: Final answer
    x = 192,020.33

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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.