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Finding the Fourth Proportional to 270,261.96, 405,330.93 and 101,799.78

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Solution

The fourth proportional to 270,261.96, 405,330.93 and 101,799.78 is: 152,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,261.96 : 405,330.93 = 101,799.78 : x
  2. Step 2: Convert to fraction form
    270,261.96/405,330.93 = 101,799.78/x
  3. Step 3: Cross multiply
    270,261.96x = 405,330.93 × 101,799.78
  4. Step 4: Simplify right side
    270,261.96x = 41,262,599,501.20
  5. Step 5: Solve for x
    x = 41,262,599,501.20/270,261.96
  6. Step 6: Final answer
    x = 152,676.31

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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.