Home / 283,028.38-390,582.39-162,167.20

Finding the Fourth Proportional to 283,028.38, 390,582.39 and 162,167.20

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Solution

The fourth proportional to 283,028.38, 390,582.39 and 162,167.20 is: 223,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,028.38 : 390,582.39 = 162,167.20 : x
  2. Step 2: Convert to fraction form
    283,028.38/390,582.39 = 162,167.20/x
  3. Step 3: Cross multiply
    283,028.38x = 390,582.39 × 162,167.20
  4. Step 4: Simplify right side
    283,028.38x = 63,339,652,555.61
  5. Step 5: Solve for x
    x = 63,339,652,555.61/283,028.38
  6. Step 6: Final answer
    x = 223,792.58

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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.