Home / 208,832.20-313,248.30-205,376.20

Finding the Fourth Proportional to 208,832.20, 313,248.30 and 205,376.20

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Solution

The fourth proportional to 208,832.20, 313,248.30 and 205,376.20 is: 308,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,832.20 : 313,248.30 = 205,376.20 : x
  2. Step 2: Convert to fraction form
    208,832.20/313,248.30 = 205,376.20/x
  3. Step 3: Cross multiply
    208,832.20x = 313,248.30 × 205,376.20
  4. Step 4: Simplify right side
    208,832.20x = 64,333,745,510.46
  5. Step 5: Solve for x
    x = 64,333,745,510.46/208,832.20
  6. Step 6: Final answer
    x = 308,064.30

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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.