Home / 259,256.60-357,939.24-211,623.20

Finding the Fourth Proportional to 259,256.60, 357,939.24 and 211,623.20

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Solution

The fourth proportional to 259,256.60, 357,939.24 and 211,623.20 is: 292,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,256.60 : 357,939.24 = 211,623.20 : x
  2. Step 2: Convert to fraction form
    259,256.60/357,939.24 = 211,623.20/x
  3. Step 3: Cross multiply
    259,256.60x = 357,939.24 × 211,623.20
  4. Step 4: Simplify right side
    259,256.60x = 75,748,247,374.37
  5. Step 5: Solve for x
    x = 75,748,247,374.37/259,256.60
  6. Step 6: Final answer
    x = 292,174.81

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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.