Home / 286,252.41-395,040.63-158,928

Finding the Fourth Proportional to 286,252.41, 395,040.63 and 158,928

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Solution

The fourth proportional to 286,252.41, 395,040.63 and 158,928 is: 219,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,252.41 : 395,040.63 = 158,928 : x
  2. Step 2: Convert to fraction form
    286,252.41/395,040.63 = 158,928/x
  3. Step 3: Cross multiply
    286,252.41x = 395,040.63 × 158,928
  4. Step 4: Simplify right side
    286,252.41x = 62,783,017,244.64
  5. Step 5: Solve for x
    x = 62,783,017,244.64/286,252.41
  6. Step 6: Final answer
    x = 219,327.47

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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.