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Finding the Fourth Proportional to 330,831, 456,547.32 and 179,928

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Solution

The fourth proportional to 330,831, 456,547.32 and 179,928 is: 248,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,831 : 456,547.32 = 179,928 : x
  2. Step 2: Convert to fraction form
    330,831/456,547.32 = 179,928/x
  3. Step 3: Cross multiply
    330,831x = 456,547.32 × 179,928
  4. Step 4: Simplify right side
    330,831x = 82,145,646,192.96
  5. Step 5: Solve for x
    x = 82,145,646,192.96/330,831
  6. Step 6: Final answer
    x = 248,300.93

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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.