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Finding the Fourth Proportional to 201,282.90, 301,665.15 and 95,874.90

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Solution

The fourth proportional to 201,282.90, 301,665.15 and 95,874.90 is: 143,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,282.90 : 301,665.15 = 95,874.90 : x
  2. Step 2: Convert to fraction form
    201,282.90/301,665.15 = 95,874.90/x
  3. Step 3: Cross multiply
    201,282.90x = 301,665.15 × 95,874.90
  4. Step 4: Simplify right side
    201,282.90x = 28,922,116,089.74
  5. Step 5: Solve for x
    x = 28,922,116,089.74/201,282.90
  6. Step 6: Final answer
    x = 143,688.89

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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.