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Finding the Fourth Proportional to 254,882.42, 351,743.43 and 140,153.77

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Solution

The fourth proportional to 254,882.42, 351,743.43 and 140,153.77 is: 193,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,882.42 : 351,743.43 = 140,153.77 : x
  2. Step 2: Convert to fraction form
    254,882.42/351,743.43 = 140,153.77/x
  3. Step 3: Cross multiply
    254,882.42x = 351,743.43 × 140,153.77
  4. Step 4: Simplify right side
    254,882.42x = 49,298,168,752.49
  5. Step 5: Solve for x
    x = 49,298,168,752.49/254,882.42
  6. Step 6: Final answer
    x = 193,415.34

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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.