Home / 258,515.37-387,376.97-173,962.71

Finding the Fourth Proportional to 258,515.37, 387,376.97 and 173,962.71

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Solution

The fourth proportional to 258,515.37, 387,376.97 and 173,962.71 is: 260,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,515.37 : 387,376.97 = 173,962.71 : x
  2. Step 2: Convert to fraction form
    258,515.37/387,376.97 = 173,962.71/x
  3. Step 3: Cross multiply
    258,515.37x = 387,376.97 × 173,962.71
  4. Step 4: Simplify right side
    258,515.37x = 67,389,146,622.98
  5. Step 5: Solve for x
    x = 67,389,146,622.98/258,515.37
  6. Step 6: Final answer
    x = 260,677.52

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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.