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Finding the Fourth Proportional to 348,003.60, 522,005.40 and 235,737.60

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Solution

The fourth proportional to 348,003.60, 522,005.40 and 235,737.60 is: 353,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,003.60 : 522,005.40 = 235,737.60 : x
  2. Step 2: Convert to fraction form
    348,003.60/522,005.40 = 235,737.60/x
  3. Step 3: Cross multiply
    348,003.60x = 522,005.40 × 235,737.60
  4. Step 4: Simplify right side
    348,003.60x = 123,056,300,183.04
  5. Step 5: Solve for x
    x = 123,056,300,183.04/348,003.60
  6. Step 6: Final answer
    x = 353,606.40

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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.