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Finding the Fourth Proportional to 302,553.66, 417,520.67 and 166,584.84

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Solution

The fourth proportional to 302,553.66, 417,520.67 and 166,584.84 is: 229,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,553.66 : 417,520.67 = 166,584.84 : x
  2. Step 2: Convert to fraction form
    302,553.66/417,520.67 = 166,584.84/x
  3. Step 3: Cross multiply
    302,553.66x = 417,520.67 × 166,584.84
  4. Step 4: Simplify right side
    302,553.66x = 69,552,614,008.64
  5. Step 5: Solve for x
    x = 69,552,614,008.64/302,553.66
  6. Step 6: Final answer
    x = 229,885.22

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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.