Home / 206,265.86-309,399.02-56,507.44

Finding the Fourth Proportional to 206,265.86, 309,399.02 and 56,507.44

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Solution

The fourth proportional to 206,265.86, 309,399.02 and 56,507.44 is: 84,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,265.86 : 309,399.02 = 56,507.44 : x
  2. Step 2: Convert to fraction form
    206,265.86/309,399.02 = 56,507.44/x
  3. Step 3: Cross multiply
    206,265.86x = 309,399.02 × 56,507.44
  4. Step 4: Simplify right side
    206,265.86x = 17,483,346,558.71
  5. Step 5: Solve for x
    x = 17,483,346,558.71/206,265.86
  6. Step 6: Final answer
    x = 84,761.22

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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.