Home / 271,831.12-407,893.32-159,730.36

Finding the Fourth Proportional to 271,831.12, 407,893.32 and 159,730.36

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Solution

The fourth proportional to 271,831.12, 407,893.32 and 159,730.36 is: 239,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,831.12 : 407,893.32 = 159,730.36 : x
  2. Step 2: Convert to fraction form
    271,831.12/407,893.32 = 159,730.36/x
  3. Step 3: Cross multiply
    271,831.12x = 407,893.32 × 159,730.36
  4. Step 4: Simplify right side
    271,831.12x = 65,152,946,845.20
  5. Step 5: Solve for x
    x = 65,152,946,845.20/271,831.12
  6. Step 6: Final answer
    x = 239,681.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.