Home / 298,214.10-447,029.55-266,721.30

Finding the Fourth Proportional to 298,214.10, 447,029.55 and 266,721.30

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Solution

The fourth proportional to 298,214.10, 447,029.55 and 266,721.30 is: 399,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,214.10 : 447,029.55 = 266,721.30 : x
  2. Step 2: Convert to fraction form
    298,214.10/447,029.55 = 266,721.30/x
  3. Step 3: Cross multiply
    298,214.10x = 447,029.55 × 266,721.30
  4. Step 4: Simplify right side
    298,214.10x = 119,232,302,714.42
  5. Step 5: Solve for x
    x = 119,232,302,714.42/298,214.10
  6. Step 6: Final answer
    x = 399,821.14

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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.