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Finding the Fourth Proportional to 425,042.73, 637,958.30 and 214,828.29

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Solution

The fourth proportional to 425,042.73, 637,958.30 and 214,828.29 is: 322,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,042.73 : 637,958.30 = 214,828.29 : x
  2. Step 2: Convert to fraction form
    425,042.73/637,958.30 = 214,828.29/x
  3. Step 3: Cross multiply
    425,042.73x = 637,958.30 × 214,828.29
  4. Step 4: Simplify right side
    425,042.73x = 137,051,489,606.17
  5. Step 5: Solve for x
    x = 137,051,489,606.17/425,042.73
  6. Step 6: Final answer
    x = 322,441.67

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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.