Home / 243,390.24-335,497.50-223,838.46

Finding the Fourth Proportional to 243,390.24, 335,497.50 and 223,838.46

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Solution

The fourth proportional to 243,390.24, 335,497.50 and 223,838.46 is: 308,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,390.24 : 335,497.50 = 223,838.46 : x
  2. Step 2: Convert to fraction form
    243,390.24/335,497.50 = 223,838.46/x
  3. Step 3: Cross multiply
    243,390.24x = 335,497.50 × 223,838.46
  4. Step 4: Simplify right side
    243,390.24x = 75,097,243,733.85
  5. Step 5: Solve for x
    x = 75,097,243,733.85/243,390.24
  6. Step 6: Final answer
    x = 308,546.65

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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.