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Finding the Fourth Proportional to 348,305.34, 480,666.78 and 195,377.49

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Solution

The fourth proportional to 348,305.34, 480,666.78 and 195,377.49 is: 269,623.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,305.34 : 480,666.78 = 195,377.49 : x
  2. Step 2: Convert to fraction form
    348,305.34/480,666.78 = 195,377.49/x
  3. Step 3: Cross multiply
    348,305.34x = 480,666.78 × 195,377.49
  4. Step 4: Simplify right side
    348,305.34x = 93,911,469,002.78
  5. Step 5: Solve for x
    x = 93,911,469,002.78/348,305.34
  6. Step 6: Final answer
    x = 269,623.97

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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.