Home / 344,211.15-516,116.25-133,603.05

Finding the Fourth Proportional to 344,211.15, 516,116.25 and 133,603.05

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Solution

The fourth proportional to 344,211.15, 516,116.25 and 133,603.05 is: 200,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,211.15 : 516,116.25 = 133,603.05 : x
  2. Step 2: Convert to fraction form
    344,211.15/516,116.25 = 133,603.05/x
  3. Step 3: Cross multiply
    344,211.15x = 516,116.25 × 133,603.05
  4. Step 4: Simplify right side
    344,211.15x = 68,954,705,154.56
  5. Step 5: Solve for x
    x = 68,954,705,154.56/344,211.15
  6. Step 6: Final answer
    x = 200,326.76

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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.