Home / 311,436.60-466,982.10-133,913.40

Finding the Fourth Proportional to 311,436.60, 466,982.10 and 133,913.40

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Solution

The fourth proportional to 311,436.60, 466,982.10 and 133,913.40 is: 200,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,436.60 : 466,982.10 = 133,913.40 : x
  2. Step 2: Convert to fraction form
    311,436.60/466,982.10 = 133,913.40/x
  3. Step 3: Cross multiply
    311,436.60x = 466,982.10 × 133,913.40
  4. Step 4: Simplify right side
    311,436.60x = 62,535,160,750.14
  5. Step 5: Solve for x
    x = 62,535,160,750.14/311,436.60
  6. Step 6: Final answer
    x = 200,795.80

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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.