Home / 348,708.42-522,603.09-138,231.54

Finding the Fourth Proportional to 348,708.42, 522,603.09 and 138,231.54

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Solution

The fourth proportional to 348,708.42, 522,603.09 and 138,231.54 is: 207,165.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,708.42 : 522,603.09 = 138,231.54 : x
  2. Step 2: Convert to fraction form
    348,708.42/522,603.09 = 138,231.54/x
  3. Step 3: Cross multiply
    348,708.42x = 522,603.09 × 138,231.54
  4. Step 4: Simplify right side
    348,708.42x = 72,240,229,939.46
  5. Step 5: Solve for x
    x = 72,240,229,939.46/348,708.42
  6. Step 6: Final answer
    x = 207,165.14

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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.