Home / 303,475.22-418,795.82-167,509.20

Finding the Fourth Proportional to 303,475.22, 418,795.82 and 167,509.20

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Solution

The fourth proportional to 303,475.22, 418,795.82 and 167,509.20 is: 231,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,475.22 : 418,795.82 = 167,509.20 : x
  2. Step 2: Convert to fraction form
    303,475.22/418,795.82 = 167,509.20/x
  3. Step 3: Cross multiply
    303,475.22x = 418,795.82 × 167,509.20
  4. Step 4: Simplify right side
    303,475.22x = 70,152,153,101.97
  5. Step 5: Solve for x
    x = 70,152,153,101.97/303,475.22
  6. Step 6: Final answer
    x = 231,162.71

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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.