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Finding the Fourth Proportional to 330,615, 456,250.32 and 179,712

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Solution

The fourth proportional to 330,615, 456,250.32 and 179,712 is: 248,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,615 : 456,250.32 = 179,712 : x
  2. Step 2: Convert to fraction form
    330,615/456,250.32 = 179,712/x
  3. Step 3: Cross multiply
    330,615x = 456,250.32 × 179,712
  4. Step 4: Simplify right side
    330,615x = 81,993,657,507.84
  5. Step 5: Solve for x
    x = 81,993,657,507.84/330,615
  6. Step 6: Final answer
    x = 248,003.44

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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.