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Finding the Fourth Proportional to 533,573.28, 800,361.27 and 218,030.13

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Solution

The fourth proportional to 533,573.28, 800,361.27 and 218,030.13 is: 327,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,573.28 : 800,361.27 = 218,030.13 : x
  2. Step 2: Convert to fraction form
    533,573.28/800,361.27 = 218,030.13/x
  3. Step 3: Cross multiply
    533,573.28x = 800,361.27 × 218,030.13
  4. Step 4: Simplify right side
    533,573.28x = 174,502,871,745.07
  5. Step 5: Solve for x
    x = 174,502,871,745.07/533,573.28
  6. Step 6: Final answer
    x = 327,045.75

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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.