Home / 287,254.26-396,465.33-190,286.58

Finding the Fourth Proportional to 287,254.26, 396,465.33 and 190,286.58

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Solution

The fourth proportional to 287,254.26, 396,465.33 and 190,286.58 is: 262,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,254.26 : 396,465.33 = 190,286.58 : x
  2. Step 2: Convert to fraction form
    287,254.26/396,465.33 = 190,286.58/x
  3. Step 3: Cross multiply
    287,254.26x = 396,465.33 × 190,286.58
  4. Step 4: Simplify right side
    287,254.26x = 75,442,031,734.27
  5. Step 5: Solve for x
    x = 75,442,031,734.27/287,254.26
  6. Step 6: Final answer
    x = 262,631.55

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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.