Home / 389,183.31-583,726.66-104,896.08

Finding the Fourth Proportional to 389,183.31, 583,726.66 and 104,896.08

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Solution

The fourth proportional to 389,183.31, 583,726.66 and 104,896.08 is: 157,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,183.31 : 583,726.66 = 104,896.08 : x
  2. Step 2: Convert to fraction form
    389,183.31/583,726.66 = 104,896.08/x
  3. Step 3: Cross multiply
    389,183.31x = 583,726.66 × 104,896.08
  4. Step 4: Simplify right side
    389,183.31x = 61,230,638,163.25
  5. Step 5: Solve for x
    x = 61,230,638,163.25/389,183.31
  6. Step 6: Final answer
    x = 157,331.10

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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.