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Finding the Fourth Proportional to 348,019.60, 522,029.40 and 235,753.60

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Solution

The fourth proportional to 348,019.60, 522,029.40 and 235,753.60 is: 353,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,019.60 : 522,029.40 = 235,753.60 : x
  2. Step 2: Convert to fraction form
    348,019.60/522,029.40 = 235,753.60/x
  3. Step 3: Cross multiply
    348,019.60x = 522,029.40 × 235,753.60
  4. Step 4: Simplify right side
    348,019.60x = 123,070,310,355.84
  5. Step 5: Solve for x
    x = 123,070,310,355.84/348,019.60
  6. Step 6: Final answer
    x = 353,630.40

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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.