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Finding the Fourth Proportional to 533,052.72, 799,461.32 and 153,891.09

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Solution

The fourth proportional to 533,052.72, 799,461.32 and 153,891.09 is: 230,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,052.72 : 799,461.32 = 153,891.09 : x
  2. Step 2: Convert to fraction form
    533,052.72/799,461.32 = 153,891.09/x
  3. Step 3: Cross multiply
    533,052.72x = 799,461.32 × 153,891.09
  4. Step 4: Simplify right side
    533,052.72x = 123,029,973,178.18
  5. Step 5: Solve for x
    x = 123,029,973,178.18/533,052.72
  6. Step 6: Final answer
    x = 230,802.64

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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.