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Finding the Fourth Proportional to 283,679.70, 391,499.37 and 162,860.10

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Solution

The fourth proportional to 283,679.70, 391,499.37 and 162,860.10 is: 224,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,679.70 : 391,499.37 = 162,860.10 : x
  2. Step 2: Convert to fraction form
    283,679.70/391,499.37 = 162,860.10/x
  3. Step 3: Cross multiply
    283,679.70x = 391,499.37 × 162,860.10
  4. Step 4: Simplify right side
    283,679.70x = 63,759,626,548.14
  5. Step 5: Solve for x
    x = 63,759,626,548.14/283,679.70
  6. Step 6: Final answer
    x = 224,759.21

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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.