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Finding the Fourth Proportional to 265,162.55, 365,919.17 and 147,285.27

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Solution

The fourth proportional to 265,162.55, 365,919.17 and 147,285.27 is: 203,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,162.55 : 365,919.17 = 147,285.27 : x
  2. Step 2: Convert to fraction form
    265,162.55/365,919.17 = 147,285.27/x
  3. Step 3: Cross multiply
    265,162.55x = 365,919.17 × 147,285.27
  4. Step 4: Simplify right side
    265,162.55x = 53,894,503,015.20
  5. Step 5: Solve for x
    x = 53,894,503,015.20/265,162.55
  6. Step 6: Final answer
    x = 203,250.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.