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Finding the Fourth Proportional to 235,433.70, 353,150.55 and 204,329.70

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Solution

The fourth proportional to 235,433.70, 353,150.55 and 204,329.70 is: 306,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,433.70 : 353,150.55 = 204,329.70 : x
  2. Step 2: Convert to fraction form
    235,433.70/353,150.55 = 204,329.70/x
  3. Step 3: Cross multiply
    235,433.70x = 353,150.55 × 204,329.70
  4. Step 4: Simplify right side
    235,433.70x = 72,159,145,936.34
  5. Step 5: Solve for x
    x = 72,159,145,936.34/235,433.70
  6. Step 6: Final answer
    x = 306,494.55

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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.