Home / 255,981.24-383,672.76-192,597.66

Finding the Fourth Proportional to 255,981.24, 383,672.76 and 192,597.66

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Solution

The fourth proportional to 255,981.24, 383,672.76 and 192,597.66 is: 288,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,981.24 : 383,672.76 = 192,597.66 : x
  2. Step 2: Convert to fraction form
    255,981.24/383,672.76 = 192,597.66/x
  3. Step 3: Cross multiply
    255,981.24x = 383,672.76 × 192,597.66
  4. Step 4: Simplify right side
    255,981.24x = 73,894,475,781.74
  5. Step 5: Solve for x
    x = 73,894,475,781.74/255,981.24
  6. Step 6: Final answer
    x = 288,671.45

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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.