Home / 331,467.40-497,273.10-121,105

Finding the Fourth Proportional to 331,467.40, 497,273.10 and 121,105

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Solution

The fourth proportional to 331,467.40, 497,273.10 and 121,105 is: 181,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,467.40 : 497,273.10 = 121,105 : x
  2. Step 2: Convert to fraction form
    331,467.40/497,273.10 = 121,105/x
  3. Step 3: Cross multiply
    331,467.40x = 497,273.10 × 121,105
  4. Step 4: Simplify right side
    331,467.40x = 60,222,258,775.50
  5. Step 5: Solve for x
    x = 60,222,258,775.50/331,467.40
  6. Step 6: Final answer
    x = 181,683.81

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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.