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Finding the Fourth Proportional to 254,222.78, 350,826.47 and 139,503.34

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Solution

The fourth proportional to 254,222.78, 350,826.47 and 139,503.34 is: 192,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,222.78 : 350,826.47 = 139,503.34 : x
  2. Step 2: Convert to fraction form
    254,222.78/350,826.47 = 139,503.34/x
  3. Step 3: Cross multiply
    254,222.78x = 350,826.47 × 139,503.34
  4. Step 4: Simplify right side
    254,222.78x = 48,941,464,589.56
  5. Step 5: Solve for x
    x = 48,941,464,589.56/254,222.78
  6. Step 6: Final answer
    x = 192,514.08

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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.