Home / 212,243.64-318,255.89-62,464.47

Finding the Fourth Proportional to 212,243.64, 318,255.89 and 62,464.47

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Solution

The fourth proportional to 212,243.64, 318,255.89 and 62,464.47 is: 93,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,243.64 : 318,255.89 = 62,464.47 : x
  2. Step 2: Convert to fraction form
    212,243.64/318,255.89 = 62,464.47/x
  3. Step 3: Cross multiply
    212,243.64x = 318,255.89 × 62,464.47
  4. Step 4: Simplify right side
    212,243.64x = 19,879,685,180.91
  5. Step 5: Solve for x
    x = 19,879,685,180.91/212,243.64
  6. Step 6: Final answer
    x = 93,664.46

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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.