Home / 305,911.49-458,819.84-156,262.37

Finding the Fourth Proportional to 305,911.49, 458,819.84 and 156,262.37

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Solution

The fourth proportional to 305,911.49, 458,819.84 and 156,262.37 is: 234,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,911.49 : 458,819.84 = 156,262.37 : x
  2. Step 2: Convert to fraction form
    305,911.49/458,819.84 = 156,262.37/x
  3. Step 3: Cross multiply
    305,911.49x = 458,819.84 × 156,262.37
  4. Step 4: Simplify right side
    305,911.49x = 71,696,273,697.98
  5. Step 5: Solve for x
    x = 71,696,273,697.98/305,911.49
  6. Step 6: Final answer
    x = 234,369.34

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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.