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Finding the Fourth Proportional to 467,468.46, 645,106.68 and 252,608.54

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Solution

The fourth proportional to 467,468.46, 645,106.68 and 252,608.54 is: 348,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,468.46 : 645,106.68 = 252,608.54 : x
  2. Step 2: Convert to fraction form
    467,468.46/645,106.68 = 252,608.54/x
  3. Step 3: Cross multiply
    467,468.46x = 645,106.68 × 252,608.54
  4. Step 4: Simplify right side
    467,468.46x = 162,959,453,353.51
  5. Step 5: Solve for x
    x = 162,959,453,353.51/467,468.46
  6. Step 6: Final answer
    x = 348,599.89

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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.