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Finding the Fourth Proportional to 201,855.70, 302,200.35 and 123,123.70

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Solution

The fourth proportional to 201,855.70, 302,200.35 and 123,123.70 is: 184,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,855.70 : 302,200.35 = 123,123.70 : x
  2. Step 2: Convert to fraction form
    201,855.70/302,200.35 = 123,123.70/x
  3. Step 3: Cross multiply
    201,855.70x = 302,200.35 × 123,123.70
  4. Step 4: Simplify right side
    201,855.70x = 37,208,025,233.30
  5. Step 5: Solve for x
    x = 37,208,025,233.30/201,855.70
  6. Step 6: Final answer
    x = 184,329.82

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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.