Home / 348,306.75-522,022.85-188,376.31

Finding the Fourth Proportional to 348,306.75, 522,022.85 and 188,376.31

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Solution

The fourth proportional to 348,306.75, 522,022.85 and 188,376.31 is: 282,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,306.75 : 522,022.85 = 188,376.31 : x
  2. Step 2: Convert to fraction form
    348,306.75/522,022.85 = 188,376.31/x
  3. Step 3: Cross multiply
    348,306.75x = 522,022.85 × 188,376.31
  4. Step 4: Simplify right side
    348,306.75x = 98,336,737,276.80
  5. Step 5: Solve for x
    x = 98,336,737,276.80/348,306.75
  6. Step 6: Final answer
    x = 282,327.97

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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.