Home / 270,412.03-373,201.05-157,234.78

Finding the Fourth Proportional to 270,412.03, 373,201.05 and 157,234.78

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Solution

The fourth proportional to 270,412.03, 373,201.05 and 157,234.78 is: 217,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,412.03 : 373,201.05 = 157,234.78 : x
  2. Step 2: Convert to fraction form
    270,412.03/373,201.05 = 157,234.78/x
  3. Step 3: Cross multiply
    270,412.03x = 373,201.05 × 157,234.78
  4. Step 4: Simplify right side
    270,412.03x = 58,680,184,992.52
  5. Step 5: Solve for x
    x = 58,680,184,992.52/270,412.03
  6. Step 6: Final answer
    x = 217,002.86

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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.