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Finding the Fourth Proportional to 265,905.60, 367,427.60 and 202,132.68

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Solution

The fourth proportional to 265,905.60, 367,427.60 and 202,132.68 is: 279,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,905.60 : 367,427.60 = 202,132.68 : x
  2. Step 2: Convert to fraction form
    265,905.60/367,427.60 = 202,132.68/x
  3. Step 3: Cross multiply
    265,905.60x = 367,427.60 × 202,132.68
  4. Step 4: Simplify right side
    265,905.60x = 74,269,124,483.30
  5. Step 5: Solve for x
    x = 74,269,124,483.30/265,905.60
  6. Step 6: Final answer
    x = 279,306.36

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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.