Home / 303,928.84-419,430.18-167,971.60

Finding the Fourth Proportional to 303,928.84, 419,430.18 and 167,971.60

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Solution

The fourth proportional to 303,928.84, 419,430.18 and 167,971.60 is: 231,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,928.84 : 419,430.18 = 167,971.60 : x
  2. Step 2: Convert to fraction form
    303,928.84/419,430.18 = 167,971.60/x
  3. Step 3: Cross multiply
    303,928.84x = 419,430.18 × 167,971.60
  4. Step 4: Simplify right side
    303,928.84x = 70,452,358,422.89
  5. Step 5: Solve for x
    x = 70,452,358,422.89/303,928.84
  6. Step 6: Final answer
    x = 231,805.44

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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.