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Finding the Fourth Proportional to 201,699.60, 302,549.40 and 169,222.65

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Solution

The fourth proportional to 201,699.60, 302,549.40 and 169,222.65 is: 253,833.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,699.60 : 302,549.40 = 169,222.65 : x
  2. Step 2: Convert to fraction form
    201,699.60/302,549.40 = 169,222.65/x
  3. Step 3: Cross multiply
    201,699.60x = 302,549.40 × 169,222.65
  4. Step 4: Simplify right side
    201,699.60x = 51,198,211,223.91
  5. Step 5: Solve for x
    x = 51,198,211,223.91/201,699.60
  6. Step 6: Final answer
    x = 253,833.98

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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.