Home / 286,167.28-395,016.84-245,718.60

Finding the Fourth Proportional to 286,167.28, 395,016.84 and 245,718.60

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Solution

The fourth proportional to 286,167.28, 395,016.84 and 245,718.60 is: 339,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,167.28 : 395,016.84 = 245,718.60 : x
  2. Step 2: Convert to fraction form
    286,167.28/395,016.84 = 245,718.60/x
  3. Step 3: Cross multiply
    286,167.28x = 395,016.84 × 245,718.60
  4. Step 4: Simplify right side
    286,167.28x = 97,062,984,901.22
  5. Step 5: Solve for x
    x = 97,062,984,901.22/286,167.28
  6. Step 6: Final answer
    x = 339,182.68

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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.