Home / 320,933.72-442,870.98-191,874.80

Finding the Fourth Proportional to 320,933.72, 442,870.98 and 191,874.80

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Solution

The fourth proportional to 320,933.72, 442,870.98 and 191,874.80 is: 264,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,933.72 : 442,870.98 = 191,874.80 : x
  2. Step 2: Convert to fraction form
    320,933.72/442,870.98 = 191,874.80/x
  3. Step 3: Cross multiply
    320,933.72x = 442,870.98 × 191,874.80
  4. Step 4: Simplify right side
    320,933.72x = 84,975,780,713.30
  5. Step 5: Solve for x
    x = 84,975,780,713.30/320,933.72
  6. Step 6: Final answer
    x = 264,776.73

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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.