Home / 253,005.08-379,200.68-185,822.21

Finding the Fourth Proportional to 253,005.08, 379,200.68 and 185,822.21

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Solution

The fourth proportional to 253,005.08, 379,200.68 and 185,822.21 is: 278,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,005.08 : 379,200.68 = 185,822.21 : x
  2. Step 2: Convert to fraction form
    253,005.08/379,200.68 = 185,822.21/x
  3. Step 3: Cross multiply
    253,005.08x = 379,200.68 × 185,822.21
  4. Step 4: Simplify right side
    253,005.08x = 70,463,908,391.10
  5. Step 5: Solve for x
    x = 70,463,908,391.10/253,005.08
  6. Step 6: Final answer
    x = 278,507.88

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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.