Home / 286,270.36-395,045.58-158,942.68

Finding the Fourth Proportional to 286,270.36, 395,045.58 and 158,942.68

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Solution

The fourth proportional to 286,270.36, 395,045.58 and 158,942.68 is: 219,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,270.36 : 395,045.58 = 158,942.68 : x
  2. Step 2: Convert to fraction form
    286,270.36/395,045.58 = 158,942.68/x
  3. Step 3: Cross multiply
    286,270.36x = 395,045.58 × 158,942.68
  4. Step 4: Simplify right side
    286,270.36x = 62,789,603,207.35
  5. Step 5: Solve for x
    x = 62,789,603,207.35/286,270.36
  6. Step 6: Final answer
    x = 219,336.72

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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.