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Finding the Fourth Proportional to 254,879, 351,733.44 and 141,701.78

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Solution

The fourth proportional to 254,879, 351,733.44 and 141,701.78 is: 195,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,879 : 351,733.44 = 141,701.78 : x
  2. Step 2: Convert to fraction form
    254,879/351,733.44 = 141,701.78/x
  3. Step 3: Cross multiply
    254,879x = 351,733.44 × 141,701.78
  4. Step 4: Simplify right side
    254,879x = 49,841,254,533.52
  5. Step 5: Solve for x
    x = 49,841,254,533.52/254,879
  6. Step 6: Final answer
    x = 195,548.69

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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.