Home / 283,065.30-390,585.65-162,183.33

Finding the Fourth Proportional to 283,065.30, 390,585.65 and 162,183.33

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Solution

The fourth proportional to 283,065.30, 390,585.65 and 162,183.33 is: 223,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,065.30 : 390,585.65 = 162,183.33 : x
  2. Step 2: Convert to fraction form
    283,065.30/390,585.65 = 162,183.33/x
  3. Step 3: Cross multiply
    283,065.30x = 390,585.65 × 162,183.33
  4. Step 4: Simplify right side
    283,065.30x = 63,346,480,556.30
  5. Step 5: Solve for x
    x = 63,346,480,556.30/283,065.30
  6. Step 6: Final answer
    x = 223,787.52

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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.