Home / 388,233.20-535,761.60-218,467.46

Finding the Fourth Proportional to 388,233.20, 535,761.60 and 218,467.46

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Solution

The fourth proportional to 388,233.20, 535,761.60 and 218,467.46 is: 301,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,233.20 : 535,761.60 = 218,467.46 : x
  2. Step 2: Convert to fraction form
    388,233.20/535,761.60 = 218,467.46/x
  3. Step 3: Cross multiply
    388,233.20x = 535,761.60 × 218,467.46
  4. Step 4: Simplify right side
    388,233.20x = 117,046,475,917.54
  5. Step 5: Solve for x
    x = 117,046,475,917.54/388,233.20
  6. Step 6: Final answer
    x = 301,484.97

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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.