Home / 209,401.35-313,731.45-202,463.70

Finding the Fourth Proportional to 209,401.35, 313,731.45 and 202,463.70

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Solution

The fourth proportional to 209,401.35, 313,731.45 and 202,463.70 is: 303,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,401.35 : 313,731.45 = 202,463.70 : x
  2. Step 2: Convert to fraction form
    209,401.35/313,731.45 = 202,463.70/x
  3. Step 3: Cross multiply
    209,401.35x = 313,731.45 × 202,463.70
  4. Step 4: Simplify right side
    209,401.35x = 63,519,230,173.37
  5. Step 5: Solve for x
    x = 63,519,230,173.37/209,401.35
  6. Step 6: Final answer
    x = 303,337.25

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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.