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Finding the Fourth Proportional to 201,411.70, 302,117.55 and 122,679.70

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Solution

The fourth proportional to 201,411.70, 302,117.55 and 122,679.70 is: 184,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,411.70 : 302,117.55 = 122,679.70 : x
  2. Step 2: Convert to fraction form
    201,411.70/302,117.55 = 122,679.70/x
  3. Step 3: Cross multiply
    201,411.70x = 302,117.55 × 122,679.70
  4. Step 4: Simplify right side
    201,411.70x = 37,063,690,398.74
  5. Step 5: Solve for x
    x = 37,063,690,398.74/201,411.70
  6. Step 6: Final answer
    x = 184,019.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.