Home / 259,408.50-357,989.20-146,231.25

Finding the Fourth Proportional to 259,408.50, 357,989.20 and 146,231.25

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Solution

The fourth proportional to 259,408.50, 357,989.20 and 146,231.25 is: 201,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,408.50 : 357,989.20 = 146,231.25 : x
  2. Step 2: Convert to fraction form
    259,408.50/357,989.20 = 146,231.25/x
  3. Step 3: Cross multiply
    259,408.50x = 357,989.20 × 146,231.25
  4. Step 4: Simplify right side
    259,408.50x = 52,349,207,836.92
  5. Step 5: Solve for x
    x = 52,349,207,836.92/259,408.50
  6. Step 6: Final answer
    x = 201,802.21

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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.