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Finding the Fourth Proportional to 293,422.81, 440,164.05 and 101,272.23

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Solution

The fourth proportional to 293,422.81, 440,164.05 and 101,272.23 is: 151,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,422.81 : 440,164.05 = 101,272.23 : x
  2. Step 2: Convert to fraction form
    293,422.81/440,164.05 = 101,272.23/x
  3. Step 3: Cross multiply
    293,422.81x = 440,164.05 × 101,272.23
  4. Step 4: Simplify right side
    293,422.81x = 44,576,395,099.22
  5. Step 5: Solve for x
    x = 44,576,395,099.22/293,422.81
  6. Step 6: Final answer
    x = 151,918.64

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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.