Home / 349,454.52-482,286.94-194,421.16

Finding the Fourth Proportional to 349,454.52, 482,286.94 and 194,421.16

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Solution

The fourth proportional to 349,454.52, 482,286.94 and 194,421.16 is: 268,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,454.52 : 482,286.94 = 194,421.16 : x
  2. Step 2: Convert to fraction form
    349,454.52/482,286.94 = 194,421.16/x
  3. Step 3: Cross multiply
    349,454.52x = 482,286.94 × 194,421.16
  4. Step 4: Simplify right side
    349,454.52x = 93,766,783,916.22
  5. Step 5: Solve for x
    x = 93,766,783,916.22/349,454.52
  6. Step 6: Final answer
    x = 268,323.28

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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.