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Finding the Fourth Proportional to 362,019.89, 499,587.45 and 200,900.87

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Solution

The fourth proportional to 362,019.89, 499,587.45 and 200,900.87 is: 277,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,019.89 : 499,587.45 = 200,900.87 : x
  2. Step 2: Convert to fraction form
    362,019.89/499,587.45 = 200,900.87/x
  3. Step 3: Cross multiply
    362,019.89x = 499,587.45 × 200,900.87
  4. Step 4: Simplify right side
    362,019.89x = 100,367,553,346.08
  5. Step 5: Solve for x
    x = 100,367,553,346.08/362,019.89
  6. Step 6: Final answer
    x = 277,243.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.