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Finding the Fourth Proportional to 430,903.73, 594,651.27 and 239,921.22

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Solution

The fourth proportional to 430,903.73, 594,651.27 and 239,921.22 is: 331,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,903.73 : 594,651.27 = 239,921.22 : x
  2. Step 2: Convert to fraction form
    430,903.73/594,651.27 = 239,921.22/x
  3. Step 3: Cross multiply
    430,903.73x = 594,651.27 × 239,921.22
  4. Step 4: Simplify right side
    430,903.73x = 142,669,461,302.60
  5. Step 5: Solve for x
    x = 142,669,461,302.60/430,903.73
  6. Step 6: Final answer
    x = 331,093.58

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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.