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Finding the Fourth Proportional to 304,313.80, 456,749.70 and 154,658.20

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Solution

The fourth proportional to 304,313.80, 456,749.70 and 154,658.20 is: 232,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,313.80 : 456,749.70 = 154,658.20 : x
  2. Step 2: Convert to fraction form
    304,313.80/456,749.70 = 154,658.20/x
  3. Step 3: Cross multiply
    304,313.80x = 456,749.70 × 154,658.20
  4. Step 4: Simplify right side
    304,313.80x = 70,640,086,452.54
  5. Step 5: Solve for x
    x = 70,640,086,452.54/304,313.80
  6. Step 6: Final answer
    x = 232,129.09

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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.