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Finding the Fourth Proportional to 300,803.31, 415,108.64 and 179,949.63

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Solution

The fourth proportional to 300,803.31, 415,108.64 and 179,949.63 is: 248,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,803.31 : 415,108.64 = 179,949.63 : x
  2. Step 2: Convert to fraction form
    300,803.31/415,108.64 = 179,949.63/x
  3. Step 3: Cross multiply
    300,803.31x = 415,108.64 × 179,949.63
  4. Step 4: Simplify right side
    300,803.31x = 74,698,645,278.06
  5. Step 5: Solve for x
    x = 74,698,645,278.06/300,803.31
  6. Step 6: Final answer
    x = 248,330.53

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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.