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Finding the Fourth Proportional to 254,369.16, 351,011.88 and 141,183

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Solution

The fourth proportional to 254,369.16, 351,011.88 and 141,183 is: 194,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,369.16 : 351,011.88 = 141,183 : x
  2. Step 2: Convert to fraction form
    254,369.16/351,011.88 = 141,183/x
  3. Step 3: Cross multiply
    254,369.16x = 351,011.88 × 141,183
  4. Step 4: Simplify right side
    254,369.16x = 49,556,910,254.04
  5. Step 5: Solve for x
    x = 49,556,910,254.04/254,369.16
  6. Step 6: Final answer
    x = 194,822.79

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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.