Home / 208,731.20-313,096.80-200,566.40

Finding the Fourth Proportional to 208,731.20, 313,096.80 and 200,566.40

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Solution

The fourth proportional to 208,731.20, 313,096.80 and 200,566.40 is: 300,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,731.20 : 313,096.80 = 200,566.40 : x
  2. Step 2: Convert to fraction form
    208,731.20/313,096.80 = 200,566.40/x
  3. Step 3: Cross multiply
    208,731.20x = 313,096.80 × 200,566.40
  4. Step 4: Simplify right side
    208,731.20x = 62,796,698,027.52
  5. Step 5: Solve for x
    x = 62,796,698,027.52/208,731.20
  6. Step 6: Final answer
    x = 300,849.60

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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.