Home / 436,064.20-654,117.90-226,112.20

Finding the Fourth Proportional to 436,064.20, 654,117.90 and 226,112.20

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Solution

The fourth proportional to 436,064.20, 654,117.90 and 226,112.20 is: 339,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,064.20 : 654,117.90 = 226,112.20 : x
  2. Step 2: Convert to fraction form
    436,064.20/654,117.90 = 226,112.20/x
  3. Step 3: Cross multiply
    436,064.20x = 654,117.90 × 226,112.20
  4. Step 4: Simplify right side
    436,064.20x = 147,904,037,428.38
  5. Step 5: Solve for x
    x = 147,904,037,428.38/436,064.20
  6. Step 6: Final answer
    x = 339,179.50

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1.5x scale

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.