Home / 225,381.78-337,586.64-212,132.76

Finding the Fourth Proportional to 225,381.78, 337,586.64 and 212,132.76

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Solution

The fourth proportional to 225,381.78, 337,586.64 and 212,132.76 is: 317,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,381.78 : 337,586.64 = 212,132.76 : x
  2. Step 2: Convert to fraction form
    225,381.78/337,586.64 = 212,132.76/x
  3. Step 3: Cross multiply
    225,381.78x = 337,586.64 × 212,132.76
  4. Step 4: Simplify right side
    225,381.78x = 71,613,185,682.33
  5. Step 5: Solve for x
    x = 71,613,185,682.33/225,381.78
  6. Step 6: Final answer
    x = 317,741.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.