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Finding the Fourth Proportional to 384,041.56, 530,072.22 and 233,264.92

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Solution

The fourth proportional to 384,041.56, 530,072.22 and 233,264.92 is: 321,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,041.56 : 530,072.22 = 233,264.92 : x
  2. Step 2: Convert to fraction form
    384,041.56/530,072.22 = 233,264.92/x
  3. Step 3: Cross multiply
    384,041.56x = 530,072.22 × 233,264.92
  4. Step 4: Simplify right side
    384,041.56x = 123,647,253,992.52
  5. Step 5: Solve for x
    x = 123,647,253,992.52/384,041.56
  6. Step 6: Final answer
    x = 321,963.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.