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Finding the Fourth Proportional to 252,491.80, 348,291.76 and 161,815.56

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Solution

The fourth proportional to 252,491.80, 348,291.76 and 161,815.56 is: 223,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,491.80 : 348,291.76 = 161,815.56 : x
  2. Step 2: Convert to fraction form
    252,491.80/348,291.76 = 161,815.56/x
  3. Step 3: Cross multiply
    252,491.80x = 348,291.76 × 161,815.56
  4. Step 4: Simplify right side
    252,491.80x = 56,359,026,187.79
  5. Step 5: Solve for x
    x = 56,359,026,187.79/252,491.80
  6. Step 6: Final answer
    x = 223,211.31

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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.