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Finding the Fourth Proportional to 203,029.06, 304,605.88 and 90,803.68

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Solution

The fourth proportional to 203,029.06, 304,605.88 and 90,803.68 is: 136,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,029.06 : 304,605.88 = 90,803.68 : x
  2. Step 2: Convert to fraction form
    203,029.06/304,605.88 = 90,803.68/x
  3. Step 3: Cross multiply
    203,029.06x = 304,605.88 × 90,803.68
  4. Step 4: Simplify right side
    203,029.06x = 27,659,334,853.64
  5. Step 5: Solve for x
    x = 27,659,334,853.64/203,029.06
  6. Step 6: Final answer
    x = 136,233.38

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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.