Home / 402,986.37-603,981.33-203,363.87

Finding the Fourth Proportional to 402,986.37, 603,981.33 and 203,363.87

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Solution

The fourth proportional to 402,986.37, 603,981.33 and 203,363.87 is: 304,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,986.37 : 603,981.33 = 203,363.87 : x
  2. Step 2: Convert to fraction form
    402,986.37/603,981.33 = 203,363.87/x
  3. Step 3: Cross multiply
    402,986.37x = 603,981.33 × 203,363.87
  4. Step 4: Simplify right side
    402,986.37x = 122,827,976,894.03
  5. Step 5: Solve for x
    x = 122,827,976,894.03/402,986.37
  6. Step 6: Final answer
    x = 304,794.37

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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.