Home / 283,221.21-390,799.54-162,340.25

Finding the Fourth Proportional to 283,221.21, 390,799.54 and 162,340.25

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Solution

The fourth proportional to 283,221.21, 390,799.54 and 162,340.25 is: 224,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,221.21 : 390,799.54 = 162,340.25 : x
  2. Step 2: Convert to fraction form
    283,221.21/390,799.54 = 162,340.25/x
  3. Step 3: Cross multiply
    283,221.21x = 390,799.54 × 162,340.25
  4. Step 4: Simplify right side
    283,221.21x = 63,442,494,211.78
  5. Step 5: Solve for x
    x = 63,442,494,211.78/283,221.21
  6. Step 6: Final answer
    x = 224,003.33

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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.