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Finding the Fourth Proportional to 219,455.89, 302,849.15 and 118,853.89

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Solution

The fourth proportional to 219,455.89, 302,849.15 and 118,853.89 is: 164,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,455.89 : 302,849.15 = 118,853.89 : x
  2. Step 2: Convert to fraction form
    219,455.89/302,849.15 = 118,853.89/x
  3. Step 3: Cross multiply
    219,455.89x = 302,849.15 × 118,853.89
  4. Step 4: Simplify right side
    219,455.89x = 35,994,797,452.18
  5. Step 5: Solve for x
    x = 35,994,797,452.18/219,455.89
  6. Step 6: Final answer
    x = 164,018.37

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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.