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Finding the Fourth Proportional to 128,297, 192,445.02 and 34,802.60

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Solution

The fourth proportional to 128,297, 192,445.02 and 34,802.60 is: 52,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,297 : 192,445.02 = 34,802.60 : x
  2. Step 2: Convert to fraction form
    128,297/192,445.02 = 34,802.60/x
  3. Step 3: Cross multiply
    128,297x = 192,445.02 × 34,802.60
  4. Step 4: Simplify right side
    128,297x = 6,697,587,053.05
  5. Step 5: Solve for x
    x = 6,697,587,053.05/128,297
  6. Step 6: Final answer
    x = 52,203.77

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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.