Home / 302,939.16-418,074.30-166,972.92

Finding the Fourth Proportional to 302,939.16, 418,074.30 and 166,972.92

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Solution

The fourth proportional to 302,939.16, 418,074.30 and 166,972.92 is: 230,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,939.16 : 418,074.30 = 166,972.92 : x
  2. Step 2: Convert to fraction form
    302,939.16/418,074.30 = 166,972.92/x
  3. Step 3: Cross multiply
    302,939.16x = 418,074.30 × 166,972.92
  4. Step 4: Simplify right side
    302,939.16x = 69,807,086,647.96
  5. Step 5: Solve for x
    x = 69,807,086,647.96/302,939.16
  6. Step 6: Final answer
    x = 230,432.69

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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.