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Finding the Fourth Proportional to 273,254.31, 407,134.03 and 257,975.38

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Solution

The fourth proportional to 273,254.31, 407,134.03 and 257,975.38 is: 384,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,254.31 : 407,134.03 = 257,975.38 : x
  2. Step 2: Convert to fraction form
    273,254.31/407,134.03 = 257,975.38/x
  3. Step 3: Cross multiply
    273,254.31x = 407,134.03 × 257,975.38
  4. Step 4: Simplify right side
    273,254.31x = 105,030,554,064.51
  5. Step 5: Solve for x
    x = 105,030,554,064.51/273,254.31
  6. Step 6: Final answer
    x = 384,369.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.