Home / 285,311.32-427,806.90-195,455.58

Finding the Fourth Proportional to 285,311.32, 427,806.90 and 195,455.58

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Solution

The fourth proportional to 285,311.32, 427,806.90 and 195,455.58 is: 293,073.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,311.32 : 427,806.90 = 195,455.58 : x
  2. Step 2: Convert to fraction form
    285,311.32/427,806.90 = 195,455.58/x
  3. Step 3: Cross multiply
    285,311.32x = 427,806.90 × 195,455.58
  4. Step 4: Simplify right side
    285,311.32x = 83,617,245,767.50
  5. Step 5: Solve for x
    x = 83,617,245,767.50/285,311.32
  6. Step 6: Final answer
    x = 293,073.71

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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.