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Finding the Fourth Proportional to 302,504.76, 417,636.27 and 268,874.64

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Solution

The fourth proportional to 302,504.76, 417,636.27 and 268,874.64 is: 371,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,504.76 : 417,636.27 = 268,874.64 : x
  2. Step 2: Convert to fraction form
    302,504.76/417,636.27 = 268,874.64/x
  3. Step 3: Cross multiply
    302,504.76x = 417,636.27 × 268,874.64
  4. Step 4: Simplify right side
    302,504.76x = 112,291,801,747.19
  5. Step 5: Solve for x
    x = 112,291,801,747.19/302,504.76
  6. Step 6: Final answer
    x = 371,206.73

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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.