Home / 248,480.46-342,907.02-135,303.21

Finding the Fourth Proportional to 248,480.46, 342,907.02 and 135,303.21

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Solution

The fourth proportional to 248,480.46, 342,907.02 and 135,303.21 is: 186,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,480.46 : 342,907.02 = 135,303.21 : x
  2. Step 2: Convert to fraction form
    248,480.46/342,907.02 = 135,303.21/x
  3. Step 3: Cross multiply
    248,480.46x = 342,907.02 × 135,303.21
  4. Step 4: Simplify right side
    248,480.46x = 46,396,420,537.53
  5. Step 5: Solve for x
    x = 46,396,420,537.53/248,480.46
  6. Step 6: Final answer
    x = 186,720.60

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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.