Home / 257,723.25-355,813.61-168,454.77

Finding the Fourth Proportional to 257,723.25, 355,813.61 and 168,454.77

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Solution

The fourth proportional to 257,723.25, 355,813.61 and 168,454.77 is: 232,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,723.25 : 355,813.61 = 168,454.77 : x
  2. Step 2: Convert to fraction form
    257,723.25/355,813.61 = 168,454.77/x
  3. Step 3: Cross multiply
    257,723.25x = 355,813.61 × 168,454.77
  4. Step 4: Simplify right side
    257,723.25x = 59,938,498,993.15
  5. Step 5: Solve for x
    x = 59,938,498,993.15/257,723.25
  6. Step 6: Final answer
    x = 232,569.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.