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Finding the Fourth Proportional to 285,185.38, 427,630.41 and 152,029.87

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Solution

The fourth proportional to 285,185.38, 427,630.41 and 152,029.87 is: 227,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,185.38 : 427,630.41 = 152,029.87 : x
  2. Step 2: Convert to fraction form
    285,185.38/427,630.41 = 152,029.87/x
  3. Step 3: Cross multiply
    285,185.38x = 427,630.41 × 152,029.87
  4. Step 4: Simplify right side
    285,185.38x = 65,012,595,640.35
  5. Step 5: Solve for x
    x = 65,012,595,640.35/285,185.38
  6. Step 6: Final answer
    x = 227,966.09

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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.