Home / 434,941.61-652,506.25-131,310.56

Finding the Fourth Proportional to 434,941.61, 652,506.25 and 131,310.56

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Solution

The fourth proportional to 434,941.61, 652,506.25 and 131,310.56 is: 196,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,941.61 : 652,506.25 = 131,310.56 : x
  2. Step 2: Convert to fraction form
    434,941.61/652,506.25 = 131,310.56/x
  3. Step 3: Cross multiply
    434,941.61x = 652,506.25 × 131,310.56
  4. Step 4: Simplify right side
    434,941.61x = 85,680,960,434.45
  5. Step 5: Solve for x
    x = 85,680,960,434.45/434,941.61
  6. Step 6: Final answer
    x = 196,994.17

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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.