Home / 324,935.92-487,412.25-154,117.72

Finding the Fourth Proportional to 324,935.92, 487,412.25 and 154,117.72

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Solution

The fourth proportional to 324,935.92, 487,412.25 and 154,117.72 is: 231,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,935.92 : 487,412.25 = 154,117.72 : x
  2. Step 2: Convert to fraction form
    324,935.92/487,412.25 = 154,117.72/x
  3. Step 3: Cross multiply
    324,935.92x = 487,412.25 × 154,117.72
  4. Step 4: Simplify right side
    324,935.92x = 75,118,864,670.07
  5. Step 5: Solve for x
    x = 75,118,864,670.07/324,935.92
  6. Step 6: Final answer
    x = 231,180.55

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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.