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Finding the Fourth Proportional to 302,479.94, 417,379.82 and 200,347.04

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Solution

The fourth proportional to 302,479.94, 417,379.82 and 200,347.04 is: 276,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,479.94 : 417,379.82 = 200,347.04 : x
  2. Step 2: Convert to fraction form
    302,479.94/417,379.82 = 200,347.04/x
  3. Step 3: Cross multiply
    302,479.94x = 417,379.82 × 200,347.04
  4. Step 4: Simplify right side
    302,479.94x = 83,620,808,404.10
  5. Step 5: Solve for x
    x = 83,620,808,404.10/302,479.94
  6. Step 6: Final answer
    x = 276,450.76

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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.