Home / 359,579.10-539,757.45-202,115.10

Finding the Fourth Proportional to 359,579.10, 539,757.45 and 202,115.10

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Solution

The fourth proportional to 359,579.10, 539,757.45 and 202,115.10 is: 303,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,579.10 : 539,757.45 = 202,115.10 : x
  2. Step 2: Convert to fraction form
    359,579.10/539,757.45 = 202,115.10/x
  3. Step 3: Cross multiply
    359,579.10x = 539,757.45 × 202,115.10
  4. Step 4: Simplify right side
    359,579.10x = 109,093,130,982.50
  5. Step 5: Solve for x
    x = 109,093,130,982.50/359,579.10
  6. Step 6: Final answer
    x = 303,391.19

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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.