Home / 297,790.04-410,948.91-161,821.42

Finding the Fourth Proportional to 297,790.04, 410,948.91 and 161,821.42

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Solution

The fourth proportional to 297,790.04, 410,948.91 and 161,821.42 is: 223,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,790.04 : 410,948.91 = 161,821.42 : x
  2. Step 2: Convert to fraction form
    297,790.04/410,948.91 = 161,821.42/x
  3. Step 3: Cross multiply
    297,790.04x = 410,948.91 × 161,821.42
  4. Step 4: Simplify right side
    297,790.04x = 66,500,335,136.28
  5. Step 5: Solve for x
    x = 66,500,335,136.28/297,790.04
  6. Step 6: Final answer
    x = 223,312.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.