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Finding the Fourth Proportional to 253,502.50, 380,627.57 and 141,401.74

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Solution

The fourth proportional to 253,502.50, 380,627.57 and 141,401.74 is: 212,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,502.50 : 380,627.57 = 141,401.74 : x
  2. Step 2: Convert to fraction form
    253,502.50/380,627.57 = 141,401.74/x
  3. Step 3: Cross multiply
    253,502.50x = 380,627.57 × 141,401.74
  4. Step 4: Simplify right side
    253,502.50x = 53,821,400,689.97
  5. Step 5: Solve for x
    x = 53,821,400,689.97/253,502.50
  6. Step 6: Final answer
    x = 212,311.12

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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.