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Finding the Fourth Proportional to 422,956.53, 583,626.22 and 241,680.20

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Solution

The fourth proportional to 422,956.53, 583,626.22 and 241,680.20 is: 333,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,956.53 : 583,626.22 = 241,680.20 : x
  2. Step 2: Convert to fraction form
    422,956.53/583,626.22 = 241,680.20/x
  3. Step 3: Cross multiply
    422,956.53x = 583,626.22 × 241,680.20
  4. Step 4: Simplify right side
    422,956.53x = 141,050,898,052.51
  5. Step 5: Solve for x
    x = 141,050,898,052.51/422,956.53
  6. Step 6: Final answer
    x = 333,487.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.