Home / 209,327.40-313,991.10-202,110.30

Finding the Fourth Proportional to 209,327.40, 313,991.10 and 202,110.30

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Solution

The fourth proportional to 209,327.40, 313,991.10 and 202,110.30 is: 303,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,327.40 : 313,991.10 = 202,110.30 : x
  2. Step 2: Convert to fraction form
    209,327.40/313,991.10 = 202,110.30/x
  3. Step 3: Cross multiply
    209,327.40x = 313,991.10 × 202,110.30
  4. Step 4: Simplify right side
    209,327.40x = 63,460,835,418.33
  5. Step 5: Solve for x
    x = 63,460,835,418.33/209,327.40
  6. Step 6: Final answer
    x = 303,165.45

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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.