Home / 251,021.81-346,324.54-160,430.03

Finding the Fourth Proportional to 251,021.81, 346,324.54 and 160,430.03

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Solution

The fourth proportional to 251,021.81, 346,324.54 and 160,430.03 is: 221,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,021.81 : 346,324.54 = 160,430.03 : x
  2. Step 2: Convert to fraction form
    251,021.81/346,324.54 = 160,430.03/x
  3. Step 3: Cross multiply
    251,021.81x = 346,324.54 × 160,430.03
  4. Step 4: Simplify right side
    251,021.81x = 55,560,856,743.01
  5. Step 5: Solve for x
    x = 55,560,856,743.01/251,021.81
  6. Step 6: Final answer
    x = 221,338.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.