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Finding the Fourth Proportional to 201,871.40, 302,734.20 and 101,998.40

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Solution

The fourth proportional to 201,871.40, 302,734.20 and 101,998.40 is: 152,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,871.40 : 302,734.20 = 101,998.40 : x
  2. Step 2: Convert to fraction form
    201,871.40/302,734.20 = 101,998.40/x
  3. Step 3: Cross multiply
    201,871.40x = 302,734.20 × 101,998.40
  4. Step 4: Simplify right side
    201,871.40x = 30,878,404,025.28
  5. Step 5: Solve for x
    x = 30,878,404,025.28/201,871.40
  6. Step 6: Final answer
    x = 152,960.77

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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.