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Finding the Fourth Proportional to 304,774.02, 420,583.52 and 166,951.85

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Solution

The fourth proportional to 304,774.02, 420,583.52 and 166,951.85 is: 230,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,774.02 : 420,583.52 = 166,951.85 : x
  2. Step 2: Convert to fraction form
    304,774.02/420,583.52 = 166,951.85/x
  3. Step 3: Cross multiply
    304,774.02x = 420,583.52 × 166,951.85
  4. Step 4: Simplify right side
    304,774.02x = 70,217,193,805.84
  5. Step 5: Solve for x
    x = 70,217,193,805.84/304,774.02
  6. Step 6: Final answer
    x = 230,391.01

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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.