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Finding the Fourth Proportional to 304,046.87, 456,144.63 and 214,264.71

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Solution

The fourth proportional to 304,046.87, 456,144.63 and 214,264.71 is: 321,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,046.87 : 456,144.63 = 214,264.71 : x
  2. Step 2: Convert to fraction form
    304,046.87/456,144.63 = 214,264.71/x
  3. Step 3: Cross multiply
    304,046.87x = 456,144.63 × 214,264.71
  4. Step 4: Simplify right side
    304,046.87x = 97,735,696,865.01
  5. Step 5: Solve for x
    x = 97,735,696,865.01/304,046.87
  6. Step 6: Final answer
    x = 321,449.45

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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.