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Finding the Fourth Proportional to 254,311.95, 380,584.94 and 158,209.71

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Solution

The fourth proportional to 254,311.95, 380,584.94 and 158,209.71 is: 236,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,311.95 : 380,584.94 = 158,209.71 : x
  2. Step 2: Convert to fraction form
    254,311.95/380,584.94 = 158,209.71/x
  3. Step 3: Cross multiply
    254,311.95x = 380,584.94 × 158,209.71
  4. Step 4: Simplify right side
    254,311.95x = 60,212,232,196.72
  5. Step 5: Solve for x
    x = 60,212,232,196.72/254,311.95
  6. Step 6: Final answer
    x = 236,765.25

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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.