Home / 516,102.20-773,999.70-200,377.40

Finding the Fourth Proportional to 516,102.20, 773,999.70 and 200,377.40

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Solution

The fourth proportional to 516,102.20, 773,999.70 and 200,377.40 is: 300,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,102.20 : 773,999.70 = 200,377.40 : x
  2. Step 2: Convert to fraction form
    516,102.20/773,999.70 = 200,377.40/x
  3. Step 3: Cross multiply
    516,102.20x = 773,999.70 × 200,377.40
  4. Step 4: Simplify right side
    516,102.20x = 155,092,047,486.78
  5. Step 5: Solve for x
    x = 155,092,047,486.78/516,102.20
  6. Step 6: Final answer
    x = 300,506.46

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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.