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Finding the Fourth Proportional to 362,018.94, 499,589.58 and 200,888.98

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Solution

The fourth proportional to 362,018.94, 499,589.58 and 200,888.98 is: 277,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,018.94 : 499,589.58 = 200,888.98 : x
  2. Step 2: Convert to fraction form
    362,018.94/499,589.58 = 200,888.98/x
  3. Step 3: Cross multiply
    362,018.94x = 499,589.58 × 200,888.98
  4. Step 4: Simplify right side
    362,018.94x = 100,362,041,144.83
  5. Step 5: Solve for x
    x = 100,362,041,144.83/362,018.94
  6. Step 6: Final answer
    x = 277,228.71

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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.