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Finding the Fourth Proportional to 342,004.60, 512,229.30 and 216,033.40

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Solution

The fourth proportional to 342,004.60, 512,229.30 and 216,033.40 is: 323,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,004.60 : 512,229.30 = 216,033.40 : x
  2. Step 2: Convert to fraction form
    342,004.60/512,229.30 = 216,033.40/x
  3. Step 3: Cross multiply
    342,004.60x = 512,229.30 × 216,033.40
  4. Step 4: Simplify right side
    342,004.60x = 110,658,637,258.62
  5. Step 5: Solve for x
    x = 110,658,637,258.62/342,004.60
  6. Step 6: Final answer
    x = 323,558.91

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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.