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Finding the Fourth Proportional to 270,353.58, 373,085.91 and 151,121.58

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Solution

The fourth proportional to 270,353.58, 373,085.91 and 151,121.58 is: 208,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,353.58 : 373,085.91 = 151,121.58 : x
  2. Step 2: Convert to fraction form
    270,353.58/373,085.91 = 151,121.58/x
  3. Step 3: Cross multiply
    270,353.58x = 373,085.91 × 151,121.58
  4. Step 4: Simplify right side
    270,353.58x = 56,381,332,194.94
  5. Step 5: Solve for x
    x = 56,381,332,194.94/270,353.58
  6. Step 6: Final answer
    x = 208,546.65

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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.