Home / 206,527.28-309,798.50-56,779.29

Finding the Fourth Proportional to 206,527.28, 309,798.50 and 56,779.29

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Solution

The fourth proportional to 206,527.28, 309,798.50 and 56,779.29 is: 85,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,527.28 : 309,798.50 = 56,779.29 : x
  2. Step 2: Convert to fraction form
    206,527.28/309,798.50 = 56,779.29/x
  3. Step 3: Cross multiply
    206,527.28x = 309,798.50 × 56,779.29
  4. Step 4: Simplify right side
    206,527.28x = 17,590,138,589.17
  5. Step 5: Solve for x
    x = 17,590,138,589.17/206,527.28
  6. Step 6: Final answer
    x = 85,171.02

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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.