Home / 303,538.19-418,871.67-167,569.20

Finding the Fourth Proportional to 303,538.19, 418,871.67 and 167,569.20

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Solution

The fourth proportional to 303,538.19, 418,871.67 and 167,569.20 is: 231,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,538.19 : 418,871.67 = 167,569.20 : x
  2. Step 2: Convert to fraction form
    303,538.19/418,871.67 = 167,569.20/x
  3. Step 3: Cross multiply
    303,538.19x = 418,871.67 × 167,569.20
  4. Step 4: Simplify right side
    303,538.19x = 70,189,990,644.56
  5. Step 5: Solve for x
    x = 70,189,990,644.56/303,538.19
  6. Step 6: Final answer
    x = 231,239.41

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1.5x scale

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.