Home / 396,364.80-594,545.58-143,586.12

Finding the Fourth Proportional to 396,364.80, 594,545.58 and 143,586.12

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Solution

The fourth proportional to 396,364.80, 594,545.58 and 143,586.12 is: 215,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,364.80 : 594,545.58 = 143,586.12 : x
  2. Step 2: Convert to fraction form
    396,364.80/594,545.58 = 143,586.12/x
  3. Step 3: Cross multiply
    396,364.80x = 594,545.58 × 143,586.12
  4. Step 4: Simplify right side
    396,364.80x = 85,368,492,995.35
  5. Step 5: Solve for x
    x = 85,368,492,995.35/396,364.80
  6. Step 6: Final answer
    x = 215,378.59

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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.