Home / 409,136.20-614,337.90-222,512.20

Finding the Fourth Proportional to 409,136.20, 614,337.90 and 222,512.20

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Solution

The fourth proportional to 409,136.20, 614,337.90 and 222,512.20 is: 334,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,136.20 : 614,337.90 = 222,512.20 : x
  2. Step 2: Convert to fraction form
    409,136.20/614,337.90 = 222,512.20/x
  3. Step 3: Cross multiply
    409,136.20x = 614,337.90 × 222,512.20
  4. Step 4: Simplify right side
    409,136.20x = 136,697,677,672.38
  5. Step 5: Solve for x
    x = 136,697,677,672.38/409,136.20
  6. Step 6: Final answer
    x = 334,112.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.