Home / 386,791.14-579,787.59-162,281.94

Finding the Fourth Proportional to 386,791.14, 579,787.59 and 162,281.94

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Solution

The fourth proportional to 386,791.14, 579,787.59 and 162,281.94 is: 243,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,791.14 : 579,787.59 = 162,281.94 : x
  2. Step 2: Convert to fraction form
    386,791.14/579,787.59 = 162,281.94/x
  3. Step 3: Cross multiply
    386,791.14x = 579,787.59 × 162,281.94
  4. Step 4: Simplify right side
    386,791.14x = 94,089,054,893.12
  5. Step 5: Solve for x
    x = 94,089,054,893.12/386,791.14
  6. Step 6: Final answer
    x = 243,255.46

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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.