Home / 255,961.70-383,643.57-192,578.16

Finding the Fourth Proportional to 255,961.70, 383,643.57 and 192,578.16

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Solution

The fourth proportional to 255,961.70, 383,643.57 and 192,578.16 is: 288,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,961.70 : 383,643.57 = 192,578.16 : x
  2. Step 2: Convert to fraction form
    255,961.70/383,643.57 = 192,578.16/x
  3. Step 3: Cross multiply
    255,961.70x = 383,643.57 × 192,578.16
  4. Step 4: Simplify right side
    255,961.70x = 73,881,371,184.39
  5. Step 5: Solve for x
    x = 73,881,371,184.39/255,961.70
  6. Step 6: Final answer
    x = 288,642.29

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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.