Home / 259,326.41-389,001.76-126,047.79

Finding the Fourth Proportional to 259,326.41, 389,001.76 and 126,047.79

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Solution

The fourth proportional to 259,326.41, 389,001.76 and 126,047.79 is: 189,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,326.41 : 389,001.76 = 126,047.79 : x
  2. Step 2: Convert to fraction form
    259,326.41/389,001.76 = 126,047.79/x
  3. Step 3: Cross multiply
    259,326.41x = 389,001.76 × 126,047.79
  4. Step 4: Simplify right side
    259,326.41x = 49,032,811,838.99
  5. Step 5: Solve for x
    x = 49,032,811,838.99/259,326.41
  6. Step 6: Final answer
    x = 189,077.59

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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.