Home / 389,147.16-583,945.80-164,493.04

Finding the Fourth Proportional to 389,147.16, 583,945.80 and 164,493.04

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Solution

The fourth proportional to 389,147.16, 583,945.80 and 164,493.04 is: 246,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,147.16 : 583,945.80 = 164,493.04 : x
  2. Step 2: Convert to fraction form
    389,147.16/583,945.80 = 164,493.04/x
  3. Step 3: Cross multiply
    389,147.16x = 583,945.80 × 164,493.04
  4. Step 4: Simplify right side
    389,147.16x = 96,055,019,837.23
  5. Step 5: Solve for x
    x = 96,055,019,837.23/389,147.16
  6. Step 6: Final answer
    x = 246,834.69

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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.