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Finding the Fourth Proportional to 302,744.57, 418,212.44 and 286,801.34

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Solution

The fourth proportional to 302,744.57, 418,212.44 and 286,801.34 is: 396,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,744.57 : 418,212.44 = 286,801.34 : x
  2. Step 2: Convert to fraction form
    302,744.57/418,212.44 = 286,801.34/x
  3. Step 3: Cross multiply
    302,744.57x = 418,212.44 × 286,801.34
  4. Step 4: Simplify right side
    302,744.57x = 119,943,888,906.18
  5. Step 5: Solve for x
    x = 119,943,888,906.18/302,744.57
  6. Step 6: Final answer
    x = 396,188.41

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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.