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Finding the Fourth Proportional to 294,732.70, 442,099.05 and 73,116.70

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Solution

The fourth proportional to 294,732.70, 442,099.05 and 73,116.70 is: 109,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,732.70 : 442,099.05 = 73,116.70 : x
  2. Step 2: Convert to fraction form
    294,732.70/442,099.05 = 73,116.70/x
  3. Step 3: Cross multiply
    294,732.70x = 442,099.05 × 73,116.70
  4. Step 4: Simplify right side
    294,732.70x = 32,324,823,609.14
  5. Step 5: Solve for x
    x = 32,324,823,609.14/294,732.70
  6. Step 6: Final answer
    x = 109,675.05

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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.