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Finding the Fourth Proportional to 265,462.68, 397,258.20 and 165,669.60

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Solution

The fourth proportional to 265,462.68, 397,258.20 and 165,669.60 is: 247,920.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,462.68 : 397,258.20 = 165,669.60 : x
  2. Step 2: Convert to fraction form
    265,462.68/397,258.20 = 165,669.60/x
  3. Step 3: Cross multiply
    265,462.68x = 397,258.20 × 165,669.60
  4. Step 4: Simplify right side
    265,462.68x = 65,813,607,090.72
  5. Step 5: Solve for x
    x = 65,813,607,090.72/265,462.68
  6. Step 6: Final answer
    x = 247,920.37

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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.