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Finding the Fourth Proportional to 273,040.68, 376,815.06 and 165,615.24

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Solution

The fourth proportional to 273,040.68, 376,815.06 and 165,615.24 is: 228,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,040.68 : 376,815.06 = 165,615.24 : x
  2. Step 2: Convert to fraction form
    273,040.68/376,815.06 = 165,615.24/x
  3. Step 3: Cross multiply
    273,040.68x = 376,815.06 × 165,615.24
  4. Step 4: Simplify right side
    273,040.68x = 62,406,316,597.51
  5. Step 5: Solve for x
    x = 62,406,316,597.51/273,040.68
  6. Step 6: Final answer
    x = 228,560.51

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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.