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Finding the Fourth Proportional to 270,486.02, 405,765.95 and 112,677.56

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Solution

The fourth proportional to 270,486.02, 405,765.95 and 112,677.56 is: 169,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,486.02 : 405,765.95 = 112,677.56 : x
  2. Step 2: Convert to fraction form
    270,486.02/405,765.95 = 112,677.56/x
  3. Step 3: Cross multiply
    270,486.02x = 405,765.95 × 112,677.56
  4. Step 4: Simplify right side
    270,486.02x = 45,720,717,177.08
  5. Step 5: Solve for x
    x = 45,720,717,177.08/270,486.02
  6. Step 6: Final answer
    x = 169,031.72

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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.