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Finding the Fourth Proportional to 256,792.98, 383,308.04 and 226,492.68

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Solution

The fourth proportional to 256,792.98, 383,308.04 and 226,492.68 is: 338,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,792.98 : 383,308.04 = 226,492.68 : x
  2. Step 2: Convert to fraction form
    256,792.98/383,308.04 = 226,492.68/x
  3. Step 3: Cross multiply
    256,792.98x = 383,308.04 × 226,492.68
  4. Step 4: Simplify right side
    256,792.98x = 86,816,464,112.68
  5. Step 5: Solve for x
    x = 86,816,464,112.68/256,792.98
  6. Step 6: Final answer
    x = 338,079.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.