Home / 348,460.42-522,231.36-137,983.54

Finding the Fourth Proportional to 348,460.42, 522,231.36 and 137,983.54

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Solution

The fourth proportional to 348,460.42, 522,231.36 and 137,983.54 is: 206,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,460.42 : 522,231.36 = 137,983.54 : x
  2. Step 2: Convert to fraction form
    348,460.42/522,231.36 = 137,983.54/x
  3. Step 3: Cross multiply
    348,460.42x = 522,231.36 × 137,983.54
  4. Step 4: Simplify right side
    348,460.42x = 72,059,331,751.81
  5. Step 5: Solve for x
    x = 72,059,331,751.81/348,460.42
  6. Step 6: Final answer
    x = 206,793.45

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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.