Home / 222,140.98-306,336.13-203,700.49

Finding the Fourth Proportional to 222,140.98, 306,336.13 and 203,700.49

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Solution

The fourth proportional to 222,140.98, 306,336.13 and 203,700.49 is: 280,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,140.98 : 306,336.13 = 203,700.49 : x
  2. Step 2: Convert to fraction form
    222,140.98/306,336.13 = 203,700.49/x
  3. Step 3: Cross multiply
    222,140.98x = 306,336.13 × 203,700.49
  4. Step 4: Simplify right side
    222,140.98x = 62,400,818,510.61
  5. Step 5: Solve for x
    x = 62,400,818,510.61/222,140.98
  6. Step 6: Final answer
    x = 280,906.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.