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Finding the Fourth Proportional to 542,013.84, 812,890.08 and 226,299.60

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Solution

The fourth proportional to 542,013.84, 812,890.08 and 226,299.60 is: 339,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,013.84 : 812,890.08 = 226,299.60 : x
  2. Step 2: Convert to fraction form
    542,013.84/812,890.08 = 226,299.60/x
  3. Step 3: Cross multiply
    542,013.84x = 812,890.08 × 226,299.60
  4. Step 4: Simplify right side
    542,013.84x = 183,956,699,947.97
  5. Step 5: Solve for x
    x = 183,956,699,947.97/542,013.84
  6. Step 6: Final answer
    x = 339,394.84

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Similar ratio
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1.5x scale

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.