Home / 298,749.05-448,310.28-121,256.06

Finding the Fourth Proportional to 298,749.05, 448,310.28 and 121,256.06

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Solution

The fourth proportional to 298,749.05, 448,310.28 and 121,256.06 is: 181,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,749.05 : 448,310.28 = 121,256.06 : x
  2. Step 2: Convert to fraction form
    298,749.05/448,310.28 = 121,256.06/x
  3. Step 3: Cross multiply
    298,749.05x = 448,310.28 × 121,256.06
  4. Step 4: Simplify right side
    298,749.05x = 54,360,338,210.30
  5. Step 5: Solve for x
    x = 54,360,338,210.30/298,749.05
  6. Step 6: Final answer
    x = 181,959.87

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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.