Home / 300,985.85-448,826.01-298,287.74

Finding the Fourth Proportional to 300,985.85, 448,826.01 and 298,287.74

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Solution

The fourth proportional to 300,985.85, 448,826.01 and 298,287.74 is: 444,802.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,985.85 : 448,826.01 = 298,287.74 : x
  2. Step 2: Convert to fraction form
    300,985.85/448,826.01 = 298,287.74/x
  3. Step 3: Cross multiply
    300,985.85x = 448,826.01 × 298,287.74
  4. Step 4: Simplify right side
    300,985.85x = 133,879,294,684.68
  5. Step 5: Solve for x
    x = 133,879,294,684.68/300,985.85
  6. Step 6: Final answer
    x = 444,802.62

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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.