Home / 330,530.96-456,137.64-179,628.08

Finding the Fourth Proportional to 330,530.96, 456,137.64 and 179,628.08

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Solution

The fourth proportional to 330,530.96, 456,137.64 and 179,628.08 is: 247,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,530.96 : 456,137.64 = 179,628.08 : x
  2. Step 2: Convert to fraction form
    330,530.96/456,137.64 = 179,628.08/x
  3. Step 3: Cross multiply
    330,530.96x = 456,137.64 × 179,628.08
  4. Step 4: Simplify right side
    330,530.96x = 81,935,128,488.93
  5. Step 5: Solve for x
    x = 81,935,128,488.93/330,530.96
  6. Step 6: Final answer
    x = 247,889.42

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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.