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Finding the Fourth Proportional to 252,171.98, 348,018.20 and 144,762.78

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Solution

The fourth proportional to 252,171.98, 348,018.20 and 144,762.78 is: 199,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,171.98 : 348,018.20 = 144,762.78 : x
  2. Step 2: Convert to fraction form
    252,171.98/348,018.20 = 144,762.78/x
  3. Step 3: Cross multiply
    252,171.98x = 348,018.20 × 144,762.78
  4. Step 4: Simplify right side
    252,171.98x = 50,380,082,122.60
  5. Step 5: Solve for x
    x = 50,380,082,122.60/252,171.98
  6. Step 6: Final answer
    x = 199,784.62

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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.