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Finding the Fourth Proportional to 304,601.92, 456,903.79 and 104,919.71

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Solution

The fourth proportional to 304,601.92, 456,903.79 and 104,919.71 is: 157,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,601.92 : 456,903.79 = 104,919.71 : x
  2. Step 2: Convert to fraction form
    304,601.92/456,903.79 = 104,919.71/x
  3. Step 3: Cross multiply
    304,601.92x = 456,903.79 × 104,919.71
  4. Step 4: Simplify right side
    304,601.92x = 47,938,210,597.88
  5. Step 5: Solve for x
    x = 47,938,210,597.88/304,601.92
  6. Step 6: Final answer
    x = 157,379.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.