Home / 206,972.40-310,215.60-204,756.24

Finding the Fourth Proportional to 206,972.40, 310,215.60 and 204,756.24

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Solution

The fourth proportional to 206,972.40, 310,215.60 and 204,756.24 is: 306,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,972.40 : 310,215.60 = 204,756.24 : x
  2. Step 2: Convert to fraction form
    206,972.40/310,215.60 = 204,756.24/x
  3. Step 3: Cross multiply
    206,972.40x = 310,215.60 × 204,756.24
  4. Step 4: Simplify right side
    206,972.40x = 63,518,579,845.34
  5. Step 5: Solve for x
    x = 63,518,579,845.34/206,972.40
  6. Step 6: Final answer
    x = 306,893.96

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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.