Home / 269,070.43-403,328.68-119,381.21

Finding the Fourth Proportional to 269,070.43, 403,328.68 and 119,381.21

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Solution

The fourth proportional to 269,070.43, 403,328.68 and 119,381.21 is: 178,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,070.43 : 403,328.68 = 119,381.21 : x
  2. Step 2: Convert to fraction form
    269,070.43/403,328.68 = 119,381.21/x
  3. Step 3: Cross multiply
    269,070.43x = 403,328.68 × 119,381.21
  4. Step 4: Simplify right side
    269,070.43x = 48,149,865,846.10
  5. Step 5: Solve for x
    x = 48,149,865,846.10/269,070.43
  6. Step 6: Final answer
    x = 178,948.93

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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.