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Finding the Fourth Proportional to 265,884.56, 366,925.06 and 145,025.84

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Solution

The fourth proportional to 265,884.56, 366,925.06 and 145,025.84 is: 200,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,884.56 : 366,925.06 = 145,025.84 : x
  2. Step 2: Convert to fraction form
    265,884.56/366,925.06 = 145,025.84/x
  3. Step 3: Cross multiply
    265,884.56x = 366,925.06 × 145,025.84
  4. Step 4: Simplify right side
    265,884.56x = 53,213,615,043.55
  5. Step 5: Solve for x
    x = 53,213,615,043.55/265,884.56
  6. Step 6: Final answer
    x = 200,138.04

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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.