Home / 348,024.78-480,231.38-212,009.38

Finding the Fourth Proportional to 348,024.78, 480,231.38 and 212,009.38

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Solution

The fourth proportional to 348,024.78, 480,231.38 and 212,009.38 is: 292,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,024.78 : 480,231.38 = 212,009.38 : x
  2. Step 2: Convert to fraction form
    348,024.78/480,231.38 = 212,009.38/x
  3. Step 3: Cross multiply
    348,024.78x = 480,231.38 × 212,009.38
  4. Step 4: Simplify right side
    348,024.78x = 101,813,556,459.79
  5. Step 5: Solve for x
    x = 101,813,556,459.79/348,024.78
  6. Step 6: Final answer
    x = 292,546.86

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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.