Home / 521,859.75-782,542.89-202,161.35

Finding the Fourth Proportional to 521,859.75, 782,542.89 and 202,161.35

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Solution

The fourth proportional to 521,859.75, 782,542.89 and 202,161.35 is: 303,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,859.75 : 782,542.89 = 202,161.35 : x
  2. Step 2: Convert to fraction form
    521,859.75/782,542.89 = 202,161.35/x
  3. Step 3: Cross multiply
    521,859.75x = 782,542.89 × 202,161.35
  4. Step 4: Simplify right side
    521,859.75x = 158,199,927,075.30
  5. Step 5: Solve for x
    x = 158,199,927,075.30/521,859.75
  6. Step 6: Final answer
    x = 303,146.44

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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.