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Finding the Fourth Proportional to 348,455.60, 480,839.52 and 195,472.40

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Solution

The fourth proportional to 348,455.60, 480,839.52 and 195,472.40 is: 269,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,455.60 : 480,839.52 = 195,472.40 : x
  2. Step 2: Convert to fraction form
    348,455.60/480,839.52 = 195,472.40/x
  3. Step 3: Cross multiply
    348,455.60x = 480,839.52 × 195,472.40
  4. Step 4: Simplify right side
    348,455.60x = 93,990,854,989.25
  5. Step 5: Solve for x
    x = 93,990,854,989.25/348,455.60
  6. Step 6: Final answer
    x = 269,735.53

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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.