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Finding the Fourth Proportional to 601,243.45, 901,948.19 and 201,998.38

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Solution

The fourth proportional to 601,243.45, 901,948.19 and 201,998.38 is: 303,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,243.45 : 901,948.19 = 201,998.38 : x
  2. Step 2: Convert to fraction form
    601,243.45/901,948.19 = 201,998.38/x
  3. Step 3: Cross multiply
    601,243.45x = 901,948.19 × 201,998.38
  4. Step 4: Simplify right side
    601,243.45x = 182,192,073,223.93
  5. Step 5: Solve for x
    x = 182,192,073,223.93/601,243.45
  6. Step 6: Final answer
    x = 303,025.46

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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.