Home / 434,725.20-652,282.20-154,443.60

Finding the Fourth Proportional to 434,725.20, 652,282.20 and 154,443.60

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Solution

The fourth proportional to 434,725.20, 652,282.20 and 154,443.60 is: 231,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,725.20 : 652,282.20 = 154,443.60 : x
  2. Step 2: Convert to fraction form
    434,725.20/652,282.20 = 154,443.60/x
  3. Step 3: Cross multiply
    434,725.20x = 652,282.20 × 154,443.60
  4. Step 4: Simplify right side
    434,725.20x = 100,740,811,183.92
  5. Step 5: Solve for x
    x = 100,740,811,183.92/434,725.20
  6. Step 6: Final answer
    x = 231,734.46

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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.