Home / 283,048.20-390,609.42-162,186.87

Finding the Fourth Proportional to 283,048.20, 390,609.42 and 162,186.87

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Solution

The fourth proportional to 283,048.20, 390,609.42 and 162,186.87 is: 223,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,048.20 : 390,609.42 = 162,186.87 : x
  2. Step 2: Convert to fraction form
    283,048.20/390,609.42 = 162,186.87/x
  3. Step 3: Cross multiply
    283,048.20x = 390,609.42 × 162,186.87
  4. Step 4: Simplify right side
    283,048.20x = 63,351,719,222.32
  5. Step 5: Solve for x
    x = 63,351,719,222.32/283,048.20
  6. Step 6: Final answer
    x = 223,819.54

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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.