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Finding the Fourth Proportional to 445,710.32, 615,076.63 and 241,760.73

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Solution

The fourth proportional to 445,710.32, 615,076.63 and 241,760.73 is: 333,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,710.32 : 615,076.63 = 241,760.73 : x
  2. Step 2: Convert to fraction form
    445,710.32/615,076.63 = 241,760.73/x
  3. Step 3: Cross multiply
    445,710.32x = 615,076.63 × 241,760.73
  4. Step 4: Simplify right side
    445,710.32x = 148,701,375,074.74
  5. Step 5: Solve for x
    x = 148,701,375,074.74/445,710.32
  6. Step 6: Final answer
    x = 333,627.85

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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.