Home / 342,939.85-512,323.84-222,011.62

Finding the Fourth Proportional to 342,939.85, 512,323.84 and 222,011.62

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Solution

The fourth proportional to 342,939.85, 512,323.84 and 222,011.62 is: 331,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,939.85 : 512,323.84 = 222,011.62 : x
  2. Step 2: Convert to fraction form
    342,939.85/512,323.84 = 222,011.62/x
  3. Step 3: Cross multiply
    342,939.85x = 512,323.84 × 222,011.62
  4. Step 4: Simplify right side
    342,939.85x = 113,741,845,683.02
  5. Step 5: Solve for x
    x = 113,741,845,683.02/342,939.85
  6. Step 6: Final answer
    x = 331,667.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.