Home / 252,533.79-378,933.69-145,992.59

Finding the Fourth Proportional to 252,533.79, 378,933.69 and 145,992.59

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Solution

The fourth proportional to 252,533.79, 378,933.69 and 145,992.59 is: 219,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,533.79 : 378,933.69 = 145,992.59 : x
  2. Step 2: Convert to fraction form
    252,533.79/378,933.69 = 145,992.59/x
  3. Step 3: Cross multiply
    252,533.79x = 378,933.69 × 145,992.59
  4. Step 4: Simplify right side
    252,533.79x = 55,321,508,946.69
  5. Step 5: Solve for x
    x = 55,321,508,946.69/252,533.79
  6. Step 6: Final answer
    x = 219,065.77

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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.