Home / 283,234.15-390,831.06-166,940.02

Finding the Fourth Proportional to 283,234.15, 390,831.06 and 166,940.02

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Solution

The fourth proportional to 283,234.15, 390,831.06 and 166,940.02 is: 230,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,234.15 : 390,831.06 = 166,940.02 : x
  2. Step 2: Convert to fraction form
    283,234.15/390,831.06 = 166,940.02/x
  3. Step 3: Cross multiply
    283,234.15x = 390,831.06 × 166,940.02
  4. Step 4: Simplify right side
    283,234.15x = 65,245,344,973.02
  5. Step 5: Solve for x
    x = 65,245,344,973.02/283,234.15
  6. Step 6: Final answer
    x = 230,358.33

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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.