Home / 413,072.31-619,638.08-172,944.57

Finding the Fourth Proportional to 413,072.31, 619,638.08 and 172,944.57

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Solution

The fourth proportional to 413,072.31, 619,638.08 and 172,944.57 is: 259,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,072.31 : 619,638.08 = 172,944.57 : x
  2. Step 2: Convert to fraction form
    413,072.31/619,638.08 = 172,944.57/x
  3. Step 3: Cross multiply
    413,072.31x = 619,638.08 × 172,944.57
  4. Step 4: Simplify right side
    413,072.31x = 107,163,041,301.23
  5. Step 5: Solve for x
    x = 107,163,041,301.23/413,072.31
  6. Step 6: Final answer
    x = 259,429.25

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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.