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Finding the Fourth Proportional to 445,997.80, 615,481.50 and 242,050.48

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Solution

The fourth proportional to 445,997.80, 615,481.50 and 242,050.48 is: 334,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,997.80 : 615,481.50 = 242,050.48 : x
  2. Step 2: Convert to fraction form
    445,997.80/615,481.50 = 242,050.48/x
  3. Step 3: Cross multiply
    445,997.80x = 615,481.50 × 242,050.48
  4. Step 4: Simplify right side
    445,997.80x = 148,977,592,506.12
  5. Step 5: Solve for x
    x = 148,977,592,506.12/445,997.80
  6. Step 6: Final answer
    x = 334,032.12

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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.