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Finding the Fourth Proportional to 322,445.75, 483,712.36 and 112,056.35

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Solution

The fourth proportional to 322,445.75, 483,712.36 and 112,056.35 is: 168,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,445.75 : 483,712.36 = 112,056.35 : x
  2. Step 2: Convert to fraction form
    322,445.75/483,712.36 = 112,056.35/x
  3. Step 3: Cross multiply
    322,445.75x = 483,712.36 × 112,056.35
  4. Step 4: Simplify right side
    322,445.75x = 54,203,038,812.78
  5. Step 5: Solve for x
    x = 54,203,038,812.78/322,445.75
  6. Step 6: Final answer
    x = 168,099.72

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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.