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Finding the Fourth Proportional to 302,772.60, 454,094.10 and 134,292.60

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Solution

The fourth proportional to 302,772.60, 454,094.10 and 134,292.60 is: 201,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,772.60 : 454,094.10 = 134,292.60 : x
  2. Step 2: Convert to fraction form
    302,772.60/454,094.10 = 134,292.60/x
  3. Step 3: Cross multiply
    302,772.60x = 454,094.10 × 134,292.60
  4. Step 4: Simplify right side
    302,772.60x = 60,981,477,333.66
  5. Step 5: Solve for x
    x = 60,981,477,333.66/302,772.60
  6. Step 6: Final answer
    x = 201,410.16

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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.