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Finding the Fourth Proportional to 434,752.08, 652,226.28 and 154,269.36

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Solution

The fourth proportional to 434,752.08, 652,226.28 and 154,269.36 is: 231,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,752.08 : 652,226.28 = 154,269.36 : x
  2. Step 2: Convert to fraction form
    434,752.08/652,226.28 = 154,269.36/x
  3. Step 3: Cross multiply
    434,752.08x = 652,226.28 × 154,269.36
  4. Step 4: Simplify right side
    434,752.08x = 100,618,530,790.78
  5. Step 5: Solve for x
    x = 100,618,530,790.78/434,752.08
  6. Step 6: Final answer
    x = 231,438.87

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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.