Home / 243,819.48-335,723.22-213,434.76

Finding the Fourth Proportional to 243,819.48, 335,723.22 and 213,434.76

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Solution

The fourth proportional to 243,819.48, 335,723.22 and 213,434.76 is: 293,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,819.48 : 335,723.22 = 213,434.76 : x
  2. Step 2: Convert to fraction form
    243,819.48/335,723.22 = 213,434.76/x
  3. Step 3: Cross multiply
    243,819.48x = 335,723.22 × 213,434.76
  4. Step 4: Simplify right side
    243,819.48x = 71,655,004,887.13
  5. Step 5: Solve for x
    x = 71,655,004,887.13/243,819.48
  6. Step 6: Final answer
    x = 293,885.48

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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.