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Finding the Fourth Proportional to 348,040.55, 480,314.86 and 195,127.79

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Solution

The fourth proportional to 348,040.55, 480,314.86 and 195,127.79 is: 269,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,040.55 : 480,314.86 = 195,127.79 : x
  2. Step 2: Convert to fraction form
    348,040.55/480,314.86 = 195,127.79/x
  3. Step 3: Cross multiply
    348,040.55x = 480,314.86 × 195,127.79
  4. Step 4: Simplify right side
    348,040.55x = 93,722,775,344.16
  5. Step 5: Solve for x
    x = 93,722,775,344.16/348,040.55
  6. Step 6: Final answer
    x = 269,286.94

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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.