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Finding the Fourth Proportional to 304,127.40, 456,450.30 and 135,906.60

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Solution

The fourth proportional to 304,127.40, 456,450.30 and 135,906.60 is: 203,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,127.40 : 456,450.30 = 135,906.60 : x
  2. Step 2: Convert to fraction form
    304,127.40/456,450.30 = 135,906.60/x
  3. Step 3: Cross multiply
    304,127.40x = 456,450.30 × 135,906.60
  4. Step 4: Simplify right side
    304,127.40x = 62,034,608,341.98
  5. Step 5: Solve for x
    x = 62,034,608,341.98/304,127.40
  6. Step 6: Final answer
    x = 203,975.73

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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.