Home / 248,268.69-342,646.25-139,384.53

Finding the Fourth Proportional to 248,268.69, 342,646.25 and 139,384.53

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Solution

The fourth proportional to 248,268.69, 342,646.25 and 139,384.53 is: 192,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,268.69 : 342,646.25 = 139,384.53 : x
  2. Step 2: Convert to fraction form
    248,268.69/342,646.25 = 139,384.53/x
  3. Step 3: Cross multiply
    248,268.69x = 342,646.25 × 139,384.53
  4. Step 4: Simplify right side
    248,268.69x = 47,759,585,815.59
  5. Step 5: Solve for x
    x = 47,759,585,815.59/248,268.69
  6. Step 6: Final answer
    x = 192,370.56

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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.