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Finding the Fourth Proportional to 219,894.08, 303,452.04 and 124,400

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Solution

The fourth proportional to 219,894.08, 303,452.04 and 124,400 is: 171,670.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,894.08 : 303,452.04 = 124,400 : x
  2. Step 2: Convert to fraction form
    219,894.08/303,452.04 = 124,400/x
  3. Step 3: Cross multiply
    219,894.08x = 303,452.04 × 124,400
  4. Step 4: Simplify right side
    219,894.08x = 37,749,433,776
  5. Step 5: Solve for x
    x = 37,749,433,776/219,894.08
  6. Step 6: Final answer
    x = 171,670.99

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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.