Home / 436,268.20-654,402.30-200,072.20

Finding the Fourth Proportional to 436,268.20, 654,402.30 and 200,072.20

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Solution

The fourth proportional to 436,268.20, 654,402.30 and 200,072.20 is: 300,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,268.20 : 654,402.30 = 200,072.20 : x
  2. Step 2: Convert to fraction form
    436,268.20/654,402.30 = 200,072.20/x
  3. Step 3: Cross multiply
    436,268.20x = 654,402.30 × 200,072.20
  4. Step 4: Simplify right side
    436,268.20x = 130,927,707,846.06
  5. Step 5: Solve for x
    x = 130,927,707,846.06/436,268.20
  6. Step 6: Final answer
    x = 300,108.30

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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.