Home / 300,983.85-448,823.03-298,285.74

Finding the Fourth Proportional to 300,983.85, 448,823.03 and 298,285.74

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Solution

The fourth proportional to 300,983.85, 448,823.03 and 298,285.74 is: 444,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,983.85 : 448,823.03 = 298,285.74 : x
  2. Step 2: Convert to fraction form
    300,983.85/448,823.03 = 298,285.74/x
  3. Step 3: Cross multiply
    300,983.85x = 448,823.03 × 298,285.74
  4. Step 4: Simplify right side
    300,983.85x = 133,877,508,141.16
  5. Step 5: Solve for x
    x = 133,877,508,141.16/300,983.85
  6. Step 6: Final answer
    x = 444,799.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.