Home / 487,467.30-730,930.74-199,481.22

Finding the Fourth Proportional to 487,467.30, 730,930.74 and 199,481.22

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Solution

The fourth proportional to 487,467.30, 730,930.74 and 199,481.22 is: 299,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,467.30 : 730,930.74 = 199,481.22 : x
  2. Step 2: Convert to fraction form
    487,467.30/730,930.74 = 199,481.22/x
  3. Step 3: Cross multiply
    487,467.30x = 730,930.74 × 199,481.22
  4. Step 4: Simplify right side
    487,467.30x = 145,806,955,750.70
  5. Step 5: Solve for x
    x = 145,806,955,750.70/487,467.30
  6. Step 6: Final answer
    x = 299,111.25

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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.