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Finding the Fourth Proportional to 302,479.44, 417,379.12 and 200,346.54

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Solution

The fourth proportional to 302,479.44, 417,379.12 and 200,346.54 is: 276,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,479.44 : 417,379.12 = 200,346.54 : x
  2. Step 2: Convert to fraction form
    302,479.44/417,379.12 = 200,346.54/x
  3. Step 3: Cross multiply
    302,479.44x = 417,379.12 × 200,346.54
  4. Step 4: Simplify right side
    302,479.44x = 83,620,462,560.24
  5. Step 5: Solve for x
    x = 83,620,462,560.24/302,479.44
  6. Step 6: Final answer
    x = 276,450.07

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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.