Home / 210,942.40-316,635.96-206,182.04

Finding the Fourth Proportional to 210,942.40, 316,635.96 and 206,182.04

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Solution

The fourth proportional to 210,942.40, 316,635.96 and 206,182.04 is: 309,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,942.40 : 316,635.96 = 206,182.04 : x
  2. Step 2: Convert to fraction form
    210,942.40/316,635.96 = 206,182.04/x
  3. Step 3: Cross multiply
    210,942.40x = 316,635.96 × 206,182.04
  4. Step 4: Simplify right side
    210,942.40x = 65,284,648,170.16
  5. Step 5: Solve for x
    x = 65,284,648,170.16/210,942.40
  6. Step 6: Final answer
    x = 309,490.40

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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.