Home / 303,839.33-419,315.10-167,870.36

Finding the Fourth Proportional to 303,839.33, 419,315.10 and 167,870.36

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Solution

The fourth proportional to 303,839.33, 419,315.10 and 167,870.36 is: 231,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,839.33 : 419,315.10 = 167,870.36 : x
  2. Step 2: Convert to fraction form
    303,839.33/419,315.10 = 167,870.36/x
  3. Step 3: Cross multiply
    303,839.33x = 419,315.10 × 167,870.36
  4. Step 4: Simplify right side
    303,839.33x = 70,390,575,951.08
  5. Step 5: Solve for x
    x = 70,390,575,951.08/303,839.33
  6. Step 6: Final answer
    x = 231,670.39

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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.