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Finding the Fourth Proportional to 645,097.42, 967,659.54 and 234,752.68

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Solution

The fourth proportional to 645,097.42, 967,659.54 and 234,752.68 is: 352,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,097.42 : 967,659.54 = 234,752.68 : x
  2. Step 2: Convert to fraction form
    645,097.42/967,659.54 = 234,752.68/x
  3. Step 3: Cross multiply
    645,097.42x = 967,659.54 × 234,752.68
  4. Step 4: Simplify right side
    645,097.42x = 227,160,670,342.57
  5. Step 5: Solve for x
    x = 227,160,670,342.57/645,097.42
  6. Step 6: Final answer
    x = 352,133.90

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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.