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Finding the Fourth Proportional to 503,271.72, 754,803.90 and 222,609.96

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Solution

The fourth proportional to 503,271.72, 754,803.90 and 222,609.96 is: 333,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,271.72 : 754,803.90 = 222,609.96 : x
  2. Step 2: Convert to fraction form
    503,271.72/754,803.90 = 222,609.96/x
  3. Step 3: Cross multiply
    503,271.72x = 754,803.90 × 222,609.96
  4. Step 4: Simplify right side
    503,271.72x = 168,026,865,986.84
  5. Step 5: Solve for x
    x = 168,026,865,986.84/503,271.72
  6. Step 6: Final answer
    x = 333,869.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.