Home / 487,864.91-731,867.08-150,934.33

Finding the Fourth Proportional to 487,864.91, 731,867.08 and 150,934.33

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Solution

The fourth proportional to 487,864.91, 731,867.08 and 150,934.33 is: 226,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,864.91 : 731,867.08 = 150,934.33 : x
  2. Step 2: Convert to fraction form
    487,864.91/731,867.08 = 150,934.33/x
  3. Step 3: Cross multiply
    487,864.91x = 731,867.08 × 150,934.33
  4. Step 4: Simplify right side
    487,864.91x = 110,463,864,072.60
  5. Step 5: Solve for x
    x = 110,463,864,072.60/487,864.91
  6. Step 6: Final answer
    x = 226,423.06

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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.