Home / 487,904.97-731,894.48-150,979.69

Finding the Fourth Proportional to 487,904.97, 731,894.48 and 150,979.69

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Solution

The fourth proportional to 487,904.97, 731,894.48 and 150,979.69 is: 226,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,904.97 : 731,894.48 = 150,979.69 : x
  2. Step 2: Convert to fraction form
    487,904.97/731,894.48 = 150,979.69/x
  3. Step 3: Cross multiply
    487,904.97x = 731,894.48 × 150,979.69
  4. Step 4: Simplify right side
    487,904.97x = 110,501,197,288.74
  5. Step 5: Solve for x
    x = 110,501,197,288.74/487,904.97
  6. Step 6: Final answer
    x = 226,480.98

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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.