Home / 268,905.78-370,289.61-262,938.60

Finding the Fourth Proportional to 268,905.78, 370,289.61 and 262,938.60

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Solution

The fourth proportional to 268,905.78, 370,289.61 and 262,938.60 is: 362,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,905.78 : 370,289.61 = 262,938.60 : x
  2. Step 2: Convert to fraction form
    268,905.78/370,289.61 = 262,938.60/x
  3. Step 3: Cross multiply
    268,905.78x = 370,289.61 × 262,938.60
  4. Step 4: Simplify right side
    268,905.78x = 97,363,431,647.95
  5. Step 5: Solve for x
    x = 97,363,431,647.95/268,905.78
  6. Step 6: Final answer
    x = 362,072.66

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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.