Home / 286,827.36-395,831.40-157,771.32

Finding the Fourth Proportional to 286,827.36, 395,831.40 and 157,771.32

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Solution

The fourth proportional to 286,827.36, 395,831.40 and 157,771.32 is: 217,729.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,827.36 : 395,831.40 = 157,771.32 : x
  2. Step 2: Convert to fraction form
    286,827.36/395,831.40 = 157,771.32/x
  3. Step 3: Cross multiply
    286,827.36x = 395,831.40 × 157,771.32
  4. Step 4: Simplify right side
    286,827.36x = 62,450,842,475.45
  5. Step 5: Solve for x
    x = 62,450,842,475.45/286,827.36
  6. Step 6: Final answer
    x = 217,729.73

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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.