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Finding the Fourth Proportional to 201,710.70, 302,566.05 and 192,853.35

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Solution

The fourth proportional to 201,710.70, 302,566.05 and 192,853.35 is: 289,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,710.70 : 302,566.05 = 192,853.35 : x
  2. Step 2: Convert to fraction form
    201,710.70/302,566.05 = 192,853.35/x
  3. Step 3: Cross multiply
    201,710.70x = 302,566.05 × 192,853.35
  4. Step 4: Simplify right side
    201,710.70x = 58,350,876,338.77
  5. Step 5: Solve for x
    x = 58,350,876,338.77/201,710.70
  6. Step 6: Final answer
    x = 289,280.03

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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.