Home / 303,865.06-419,311.98-167,897.47

Finding the Fourth Proportional to 303,865.06, 419,311.98 and 167,897.47

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Solution

The fourth proportional to 303,865.06, 419,311.98 and 167,897.47 is: 231,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,865.06 : 419,311.98 = 167,897.47 : x
  2. Step 2: Convert to fraction form
    303,865.06/419,311.98 = 167,897.47/x
  3. Step 3: Cross multiply
    303,865.06x = 419,311.98 × 167,897.47
  4. Step 4: Simplify right side
    303,865.06x = 70,401,420,582.69
  5. Step 5: Solve for x
    x = 70,401,420,582.69/303,865.06
  6. Step 6: Final answer
    x = 231,686.46

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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.