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Finding the Fourth Proportional to 330,856.94, 456,583.02 and 179,953.94

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Solution

The fourth proportional to 330,856.94, 456,583.02 and 179,953.94 is: 248,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,856.94 : 456,583.02 = 179,953.94 : x
  2. Step 2: Convert to fraction form
    330,856.94/456,583.02 = 179,953.94/x
  3. Step 3: Cross multiply
    330,856.94x = 456,583.02 × 179,953.94
  4. Step 4: Simplify right side
    330,856.94x = 82,163,913,386.10
  5. Step 5: Solve for x
    x = 82,163,913,386.10/330,856.94
  6. Step 6: Final answer
    x = 248,336.68

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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.