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Finding the Fourth Proportional to 304,309.80, 455,427.90 and 304,309.80

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Solution

The fourth proportional to 304,309.80, 455,427.90 and 304,309.80 is: 455,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,309.80 : 455,427.90 = 304,309.80 : x
  2. Step 2: Convert to fraction form
    304,309.80/455,427.90 = 304,309.80/x
  3. Step 3: Cross multiply
    304,309.80x = 455,427.90 × 304,309.80
  4. Step 4: Simplify right side
    304,309.80x = 138,591,173,163.42
  5. Step 5: Solve for x
    x = 138,591,173,163.42/304,309.80
  6. Step 6: Final answer
    x = 455,427.90

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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.