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Finding the Fourth Proportional to 255,584.71, 383,377.02 and 68,596.21

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Solution

The fourth proportional to 255,584.71, 383,377.02 and 68,596.21 is: 102,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,584.71 : 383,377.02 = 68,596.21 : x
  2. Step 2: Convert to fraction form
    255,584.71/383,377.02 = 68,596.21/x
  3. Step 3: Cross multiply
    255,584.71x = 383,377.02 × 68,596.21
  4. Step 4: Simplify right side
    255,584.71x = 26,298,210,230.11
  5. Step 5: Solve for x
    x = 26,298,210,230.11/255,584.71
  6. Step 6: Final answer
    x = 102,894.30

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1.5x scale

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.