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Finding the Fourth Proportional to 302,608.58, 417,622.04 and 216,575.64

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Solution

The fourth proportional to 302,608.58, 417,622.04 and 216,575.64 is: 298,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,608.58 : 417,622.04 = 216,575.64 : x
  2. Step 2: Convert to fraction form
    302,608.58/417,622.04 = 216,575.64/x
  3. Step 3: Cross multiply
    302,608.58x = 417,622.04 × 216,575.64
  4. Step 4: Simplify right side
    302,608.58x = 90,446,760,591.11
  5. Step 5: Solve for x
    x = 90,446,760,591.11/302,608.58
  6. Step 6: Final answer
    x = 298,890.27

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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.