Home / 253,876.61-381,289.25-223,492.52

Finding the Fourth Proportional to 253,876.61, 381,289.25 and 223,492.52

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Solution

The fourth proportional to 253,876.61, 381,289.25 and 223,492.52 is: 335,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,876.61 : 381,289.25 = 223,492.52 : x
  2. Step 2: Convert to fraction form
    253,876.61/381,289.25 = 223,492.52/x
  3. Step 3: Cross multiply
    253,876.61x = 381,289.25 × 223,492.52
  4. Step 4: Simplify right side
    253,876.61x = 85,215,296,843.36
  5. Step 5: Solve for x
    x = 85,215,296,843.36/253,876.61
  6. Step 6: Final answer
    x = 335,656.35

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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.