Home / 420,238.52-579,926.44-238,950.43

Finding the Fourth Proportional to 420,238.52, 579,926.44 and 238,950.43

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Solution

The fourth proportional to 420,238.52, 579,926.44 and 238,950.43 is: 329,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,238.52 : 579,926.44 = 238,950.43 : x
  2. Step 2: Convert to fraction form
    420,238.52/579,926.44 = 238,950.43/x
  3. Step 3: Cross multiply
    420,238.52x = 579,926.44 × 238,950.43
  4. Step 4: Simplify right side
    420,238.52x = 138,573,673,358.33
  5. Step 5: Solve for x
    x = 138,573,673,358.33/420,238.52
  6. Step 6: Final answer
    x = 329,750.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.