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Finding the Fourth Proportional to 362,433.80, 543,780.30 and 152,136.20

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Solution

The fourth proportional to 362,433.80, 543,780.30 and 152,136.20 is: 228,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,433.80 : 543,780.30 = 152,136.20 : x
  2. Step 2: Convert to fraction form
    362,433.80/543,780.30 = 152,136.20/x
  3. Step 3: Cross multiply
    362,433.80x = 543,780.30 × 152,136.20
  4. Step 4: Simplify right side
    362,433.80x = 82,728,668,476.86
  5. Step 5: Solve for x
    x = 82,728,668,476.86/362,433.80
  6. Step 6: Final answer
    x = 228,258.70

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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.