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Finding the Fourth Proportional to 270,492.34, 373,272.68 and 149,640.34

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Solution

The fourth proportional to 270,492.34, 373,272.68 and 149,640.34 is: 206,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,492.34 : 373,272.68 = 149,640.34 : x
  2. Step 2: Convert to fraction form
    270,492.34/373,272.68 = 149,640.34/x
  3. Step 3: Cross multiply
    270,492.34x = 373,272.68 × 149,640.34
  4. Step 4: Simplify right side
    270,492.34x = 55,856,650,747.91
  5. Step 5: Solve for x
    x = 55,856,650,747.91/270,492.34
  6. Step 6: Final answer
    x = 206,499.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.