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Finding the Fourth Proportional to 272,998.60, 377,997.78 and 252,003.40

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Solution

The fourth proportional to 272,998.60, 377,997.78 and 252,003.40 is: 348,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,998.60 : 377,997.78 = 252,003.40 : x
  2. Step 2: Convert to fraction form
    272,998.60/377,997.78 = 252,003.40/x
  3. Step 3: Cross multiply
    272,998.60x = 377,997.78 × 252,003.40
  4. Step 4: Simplify right side
    272,998.60x = 95,256,725,752.45
  5. Step 5: Solve for x
    x = 95,256,725,752.45/272,998.60
  6. Step 6: Final answer
    x = 348,927.52

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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.