Home / 279,828.79-386,162.26-152,503.27

Finding the Fourth Proportional to 279,828.79, 386,162.26 and 152,503.27

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Solution

The fourth proportional to 279,828.79, 386,162.26 and 152,503.27 is: 210,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,828.79 : 386,162.26 = 152,503.27 : x
  2. Step 2: Convert to fraction form
    279,828.79/386,162.26 = 152,503.27/x
  3. Step 3: Cross multiply
    279,828.79x = 386,162.26 × 152,503.27
  4. Step 4: Simplify right side
    279,828.79x = 58,891,006,053.93
  5. Step 5: Solve for x
    x = 58,891,006,053.93/279,828.79
  6. Step 6: Final answer
    x = 210,453.71

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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.