Home / 340,550.11-469,962.47-187,589

Finding the Fourth Proportional to 340,550.11, 469,962.47 and 187,589

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Solution

The fourth proportional to 340,550.11, 469,962.47 and 187,589 is: 258,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,550.11 : 469,962.47 = 187,589 : x
  2. Step 2: Convert to fraction form
    340,550.11/469,962.47 = 187,589/x
  3. Step 3: Cross multiply
    340,550.11x = 469,962.47 × 187,589
  4. Step 4: Simplify right side
    340,550.11x = 88,159,789,784.83
  5. Step 5: Solve for x
    x = 88,159,789,784.83/340,550.11
  6. Step 6: Final answer
    x = 258,874.65

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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.