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Finding the Fourth Proportional to 201,998.16, 303,002.37 and 83,637.72

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Solution

The fourth proportional to 201,998.16, 303,002.37 and 83,637.72 is: 125,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,998.16 : 303,002.37 = 83,637.72 : x
  2. Step 2: Convert to fraction form
    201,998.16/303,002.37 = 83,637.72/x
  3. Step 3: Cross multiply
    201,998.16x = 303,002.37 × 83,637.72
  4. Step 4: Simplify right side
    201,998.16x = 25,342,427,381.40
  5. Step 5: Solve for x
    x = 25,342,427,381.40/201,998.16
  6. Step 6: Final answer
    x = 125,458.70

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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.