Home / 489,968.73-734,605.60-190,196.64

Finding the Fourth Proportional to 489,968.73, 734,605.60 and 190,196.64

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Solution

The fourth proportional to 489,968.73, 734,605.60 and 190,196.64 is: 285,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,968.73 : 734,605.60 = 190,196.64 : x
  2. Step 2: Convert to fraction form
    489,968.73/734,605.60 = 190,196.64/x
  3. Step 3: Cross multiply
    489,968.73x = 734,605.60 × 190,196.64
  4. Step 4: Simplify right side
    489,968.73x = 139,719,516,845.18
  5. Step 5: Solve for x
    x = 139,719,516,845.18/489,968.73
  6. Step 6: Final answer
    x = 285,160.07

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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.