Home / 291,230.21-401,831.19-163,859.33

Finding the Fourth Proportional to 291,230.21, 401,831.19 and 163,859.33

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Solution

The fourth proportional to 291,230.21, 401,831.19 and 163,859.33 is: 226,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,230.21 : 401,831.19 = 163,859.33 : x
  2. Step 2: Convert to fraction form
    291,230.21/401,831.19 = 163,859.33/x
  3. Step 3: Cross multiply
    291,230.21x = 401,831.19 × 163,859.33
  4. Step 4: Simplify right side
    291,230.21x = 65,843,789,566.50
  5. Step 5: Solve for x
    x = 65,843,789,566.50/291,230.21
  6. Step 6: Final answer
    x = 226,088.46

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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.