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Finding the Fourth Proportional to 219,249.30, 302,564.97 and 118,647.30

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Solution

The fourth proportional to 219,249.30, 302,564.97 and 118,647.30 is: 163,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,249.30 : 302,564.97 = 118,647.30 : x
  2. Step 2: Convert to fraction form
    219,249.30/302,564.97 = 118,647.30/x
  3. Step 3: Cross multiply
    219,249.30x = 302,564.97 × 118,647.30
  4. Step 4: Simplify right side
    219,249.30x = 35,898,516,765.08
  5. Step 5: Solve for x
    x = 35,898,516,765.08/219,249.30
  6. Step 6: Final answer
    x = 163,733.78

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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.