Home / 282,422.00-389,742.37-155,097.60

Finding the Fourth Proportional to 282,422.00, 389,742.37 and 155,097.60

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Solution

The fourth proportional to 282,422.00, 389,742.37 and 155,097.60 is: 214,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,422.00 : 389,742.37 = 155,097.60 : x
  2. Step 2: Convert to fraction form
    282,422.00/389,742.37 = 155,097.60/x
  3. Step 3: Cross multiply
    282,422.00x = 389,742.37 × 155,097.60
  4. Step 4: Simplify right side
    282,422.00x = 60,448,104,576.95
  5. Step 5: Solve for x
    x = 60,448,104,576.95/282,422.00
  6. Step 6: Final answer
    x = 214,034.68

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1.5x scale

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.