Home / 283,007.36-390,556.20-155,682.96

Finding the Fourth Proportional to 283,007.36, 390,556.20 and 155,682.96

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Solution

The fourth proportional to 283,007.36, 390,556.20 and 155,682.96 is: 214,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,007.36 : 390,556.20 = 155,682.96 : x
  2. Step 2: Convert to fraction form
    283,007.36/390,556.20 = 155,682.96/x
  3. Step 3: Cross multiply
    283,007.36x = 390,556.20 × 155,682.96
  4. Step 4: Simplify right side
    283,007.36x = 60,802,945,262.35
  5. Step 5: Solve for x
    x = 60,802,945,262.35/283,007.36
  6. Step 6: Final answer
    x = 214,845.81

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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.