Home / 252,327.60-378,491.40-102,518.10

Finding the Fourth Proportional to 252,327.60, 378,491.40 and 102,518.10

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Solution

The fourth proportional to 252,327.60, 378,491.40 and 102,518.10 is: 153,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,327.60 : 378,491.40 = 102,518.10 : x
  2. Step 2: Convert to fraction form
    252,327.60/378,491.40 = 102,518.10/x
  3. Step 3: Cross multiply
    252,327.60x = 378,491.40 × 102,518.10
  4. Step 4: Simplify right side
    252,327.60x = 38,802,219,194.34
  5. Step 5: Solve for x
    x = 38,802,219,194.34/252,327.60
  6. Step 6: Final answer
    x = 153,777.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.