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Finding the Fourth Proportional to 219,277.89, 302,600.22 and 122,483.09

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Solution

The fourth proportional to 219,277.89, 302,600.22 and 122,483.09 is: 169,024.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,277.89 : 302,600.22 = 122,483.09 : x
  2. Step 2: Convert to fraction form
    219,277.89/302,600.22 = 122,483.09/x
  3. Step 3: Cross multiply
    219,277.89x = 302,600.22 × 122,483.09
  4. Step 4: Simplify right side
    219,277.89x = 37,063,408,467.28
  5. Step 5: Solve for x
    x = 37,063,408,467.28/219,277.89
  6. Step 6: Final answer
    x = 169,024.84

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1.5x scale

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.