Home / 252,255.48-378,484.03-102,507.49

Finding the Fourth Proportional to 252,255.48, 378,484.03 and 102,507.49

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Solution

The fourth proportional to 252,255.48, 378,484.03 and 102,507.49 is: 153,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,255.48 : 378,484.03 = 102,507.49 : x
  2. Step 2: Convert to fraction form
    252,255.48/378,484.03 = 102,507.49/x
  3. Step 3: Cross multiply
    252,255.48x = 378,484.03 × 102,507.49
  4. Step 4: Simplify right side
    252,255.48x = 38,797,446,717.91
  5. Step 5: Solve for x
    x = 38,797,446,717.91/252,255.48
  6. Step 6: Final answer
    x = 153,802.20

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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.