Home / 283,147.30-390,698.67-162,265.33

Finding the Fourth Proportional to 283,147.30, 390,698.67 and 162,265.33

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Solution

The fourth proportional to 283,147.30, 390,698.67 and 162,265.33 is: 223,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,147.30 : 390,698.67 = 162,265.33 : x
  2. Step 2: Convert to fraction form
    283,147.30/390,698.67 = 162,265.33/x
  3. Step 3: Cross multiply
    283,147.30x = 390,698.67 × 162,265.33
  4. Step 4: Simplify right side
    283,147.30x = 63,396,848,618.11
  5. Step 5: Solve for x
    x = 63,396,848,618.11/283,147.30
  6. Step 6: Final answer
    x = 223,900.59

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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.