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Finding the Fourth Proportional to 299,944.68, 450,029.34 and 155,760.63

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Solution

The fourth proportional to 299,944.68, 450,029.34 and 155,760.63 is: 233,699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,944.68 : 450,029.34 = 155,760.63 : x
  2. Step 2: Convert to fraction form
    299,944.68/450,029.34 = 155,760.63/x
  3. Step 3: Cross multiply
    299,944.68x = 450,029.34 × 155,760.63
  4. Step 4: Simplify right side
    299,944.68x = 70,096,853,516.88
  5. Step 5: Solve for x
    x = 70,096,853,516.88/299,944.68
  6. Step 6: Final answer
    x = 233,699.27

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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.