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Finding the Fourth Proportional to 264,298.84, 396,444.69 and 64,620.94

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Solution

The fourth proportional to 264,298.84, 396,444.69 and 64,620.94 is: 96,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,298.84 : 396,444.69 = 64,620.94 : x
  2. Step 2: Convert to fraction form
    264,298.84/396,444.69 = 64,620.94/x
  3. Step 3: Cross multiply
    264,298.84x = 396,444.69 × 64,620.94
  4. Step 4: Simplify right side
    264,298.84x = 25,618,628,525.81
  5. Step 5: Solve for x
    x = 25,618,628,525.81/264,298.84
  6. Step 6: Final answer
    x = 96,930.54

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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.