Home / 252,695.03-378,438.26-145,754.82

Finding the Fourth Proportional to 252,695.03, 378,438.26 and 145,754.82

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Solution

The fourth proportional to 252,695.03, 378,438.26 and 145,754.82 is: 218,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,695.03 : 378,438.26 = 145,754.82 : x
  2. Step 2: Convert to fraction form
    252,695.03/378,438.26 = 145,754.82/x
  3. Step 3: Cross multiply
    252,695.03x = 378,438.26 × 145,754.82
  4. Step 4: Simplify right side
    252,695.03x = 55,159,199,738.64
  5. Step 5: Solve for x
    x = 55,159,199,738.64/252,695.03
  6. Step 6: Final answer
    x = 218,283.68

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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.