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Finding the Fourth Proportional to 201,530.70, 302,296.05 and 170,426.70

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Solution

The fourth proportional to 201,530.70, 302,296.05 and 170,426.70 is: 255,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,530.70 : 302,296.05 = 170,426.70 : x
  2. Step 2: Convert to fraction form
    201,530.70/302,296.05 = 170,426.70/x
  3. Step 3: Cross multiply
    201,530.70x = 302,296.05 × 170,426.70
  4. Step 4: Simplify right side
    201,530.70x = 51,519,318,224.54
  5. Step 5: Solve for x
    x = 51,519,318,224.54/201,530.70
  6. Step 6: Final answer
    x = 255,640.05

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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.