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Finding the Fourth Proportional to 340,239.97, 469,500.60 and 197,009.65

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Solution

The fourth proportional to 340,239.97, 469,500.60 and 197,009.65 is: 271,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,239.97 : 469,500.60 = 197,009.65 : x
  2. Step 2: Convert to fraction form
    340,239.97/469,500.60 = 197,009.65/x
  3. Step 3: Cross multiply
    340,239.97x = 469,500.60 × 197,009.65
  4. Step 4: Simplify right side
    340,239.97x = 92,496,148,880.79
  5. Step 5: Solve for x
    x = 92,496,148,880.79/340,239.97
  6. Step 6: Final answer
    x = 271,855.62

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1.5x scale

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.