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Finding the Fourth Proportional to 219,899.92, 303,452.58 and 124,408.24

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Solution

The fourth proportional to 219,899.92, 303,452.58 and 124,408.24 is: 171,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,899.92 : 303,452.58 = 124,408.24 : x
  2. Step 2: Convert to fraction form
    219,899.92/303,452.58 = 124,408.24/x
  3. Step 3: Cross multiply
    219,899.92x = 303,452.58 × 124,408.24
  4. Step 4: Simplify right side
    219,899.92x = 37,752,001,401.26
  5. Step 5: Solve for x
    x = 37,752,001,401.26/219,899.92
  6. Step 6: Final answer
    x = 171,678.10

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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.