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Finding the Fourth Proportional to 183,013.31, 274,529.74 and 56,740.79

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Solution

The fourth proportional to 183,013.31, 274,529.74 and 56,740.79 is: 85,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,013.31 : 274,529.74 = 56,740.79 : x
  2. Step 2: Convert to fraction form
    183,013.31/274,529.74 = 56,740.79/x
  3. Step 3: Cross multiply
    183,013.31x = 274,529.74 × 56,740.79
  4. Step 4: Simplify right side
    183,013.31x = 15,577,034,326.09
  5. Step 5: Solve for x
    x = 15,577,034,326.09/183,013.31
  6. Step 6: Final answer
    x = 85,114.22

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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.