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Finding the Fourth Proportional to 302,590.20, 454,869.45 and 214,454.10

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Solution

The fourth proportional to 302,590.20, 454,869.45 and 214,454.10 is: 322,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,590.20 : 454,869.45 = 214,454.10 : x
  2. Step 2: Convert to fraction form
    302,590.20/454,869.45 = 214,454.10/x
  3. Step 3: Cross multiply
    302,590.20x = 454,869.45 × 214,454.10
  4. Step 4: Simplify right side
    302,590.20x = 97,548,618,517.25
  5. Step 5: Solve for x
    x = 97,548,618,517.25/302,590.20
  6. Step 6: Final answer
    x = 322,378.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.