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Finding the Fourth Proportional to 270,230.32, 372,894.60 and 155,469.52

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Solution

The fourth proportional to 270,230.32, 372,894.60 and 155,469.52 is: 214,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,230.32 : 372,894.60 = 155,469.52 : x
  2. Step 2: Convert to fraction form
    270,230.32/372,894.60 = 155,469.52/x
  3. Step 3: Cross multiply
    270,230.32x = 372,894.60 × 155,469.52
  4. Step 4: Simplify right side
    270,230.32x = 57,973,744,472.59
  5. Step 5: Solve for x
    x = 57,973,744,472.59/270,230.32
  6. Step 6: Final answer
    x = 214,534.57

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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.