Home / 348,056.20-522,084.30-214,503.40

Finding the Fourth Proportional to 348,056.20, 522,084.30 and 214,503.40

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Solution

The fourth proportional to 348,056.20, 522,084.30 and 214,503.40 is: 321,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,056.20 : 522,084.30 = 214,503.40 : x
  2. Step 2: Convert to fraction form
    348,056.20/522,084.30 = 214,503.40/x
  3. Step 3: Cross multiply
    348,056.20x = 522,084.30 × 214,503.40
  4. Step 4: Simplify right side
    348,056.20x = 111,988,857,436.62
  5. Step 5: Solve for x
    x = 111,988,857,436.62/348,056.20
  6. Step 6: Final answer
    x = 321,755.10

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1.5x scale

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.