Home / 434,815.81-652,228.73-131,212.59

Finding the Fourth Proportional to 434,815.81, 652,228.73 and 131,212.59

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Solution

The fourth proportional to 434,815.81, 652,228.73 and 131,212.59 is: 196,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,815.81 : 652,228.73 = 131,212.59 : x
  2. Step 2: Convert to fraction form
    434,815.81/652,228.73 = 131,212.59/x
  3. Step 3: Cross multiply
    434,815.81x = 652,228.73 × 131,212.59
  4. Step 4: Simplify right side
    434,815.81x = 85,580,624,198.05
  5. Step 5: Solve for x
    x = 85,580,624,198.05/434,815.81
  6. Step 6: Final answer
    x = 196,820.41

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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.