Home / 388,060.40-580,924.20-230,207.60

Finding the Fourth Proportional to 388,060.40, 580,924.20 and 230,207.60

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Solution

The fourth proportional to 388,060.40, 580,924.20 and 230,207.60 is: 344,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,060.40 : 580,924.20 = 230,207.60 : x
  2. Step 2: Convert to fraction form
    388,060.40/580,924.20 = 230,207.60/x
  3. Step 3: Cross multiply
    388,060.40x = 580,924.20 × 230,207.60
  4. Step 4: Simplify right side
    388,060.40x = 133,733,165,863.92
  5. Step 5: Solve for x
    x = 133,733,165,863.92/388,060.40
  6. Step 6: Final answer
    x = 344,619.46

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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.