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Finding the Fourth Proportional to 430,737.48, 594,408.78 and 239,739.48

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Solution

The fourth proportional to 430,737.48, 594,408.78 and 239,739.48 is: 330,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,737.48 : 594,408.78 = 239,739.48 : x
  2. Step 2: Convert to fraction form
    430,737.48/594,408.78 = 239,739.48/x
  3. Step 3: Cross multiply
    430,737.48x = 594,408.78 × 239,739.48
  4. Step 4: Simplify right side
    430,737.48x = 142,503,251,824.63
  5. Step 5: Solve for x
    x = 142,503,251,824.63/430,737.48
  6. Step 6: Final answer
    x = 330,835.51

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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.