Home / 269,457.10-403,926.45-209,452.30

Finding the Fourth Proportional to 269,457.10, 403,926.45 and 209,452.30

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Solution

The fourth proportional to 269,457.10, 403,926.45 and 209,452.30 is: 313,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,457.10 : 403,926.45 = 209,452.30 : x
  2. Step 2: Convert to fraction form
    269,457.10/403,926.45 = 209,452.30/x
  3. Step 3: Cross multiply
    269,457.10x = 403,926.45 × 209,452.30
  4. Step 4: Simplify right side
    269,457.10x = 84,603,323,983.34
  5. Step 5: Solve for x
    x = 84,603,323,983.34/269,457.10
  6. Step 6: Final answer
    x = 313,976.97

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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.