Home / 425,579.72-587,292.80-231,989.58

Finding the Fourth Proportional to 425,579.72, 587,292.80 and 231,989.58

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Solution

The fourth proportional to 425,579.72, 587,292.80 and 231,989.58 is: 320,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,579.72 : 587,292.80 = 231,989.58 : x
  2. Step 2: Convert to fraction form
    425,579.72/587,292.80 = 231,989.58/x
  3. Step 3: Cross multiply
    425,579.72x = 587,292.80 × 231,989.58
  4. Step 4: Simplify right side
    425,579.72x = 136,245,808,849.08
  5. Step 5: Solve for x
    x = 136,245,808,849.08/425,579.72
  6. Step 6: Final answer
    x = 320,141.69

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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.