Home / 309,558.26-464,187.40-181,509.56

Finding the Fourth Proportional to 309,558.26, 464,187.40 and 181,509.56

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Solution

The fourth proportional to 309,558.26, 464,187.40 and 181,509.56 is: 272,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,558.26 : 464,187.40 = 181,509.56 : x
  2. Step 2: Convert to fraction form
    309,558.26/464,187.40 = 181,509.56/x
  3. Step 3: Cross multiply
    309,558.26x = 464,187.40 × 181,509.56
  4. Step 4: Simplify right side
    309,558.26x = 84,254,450,731.54
  5. Step 5: Solve for x
    x = 84,254,450,731.54/309,558.26
  6. Step 6: Final answer
    x = 272,176.39

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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.