Home / 253,023.21-379,597.08-178,289.25

Finding the Fourth Proportional to 253,023.21, 379,597.08 and 178,289.25

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Solution

The fourth proportional to 253,023.21, 379,597.08 and 178,289.25 is: 267,477.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,023.21 : 379,597.08 = 178,289.25 : x
  2. Step 2: Convert to fraction form
    253,023.21/379,597.08 = 178,289.25/x
  3. Step 3: Cross multiply
    253,023.21x = 379,597.08 × 178,289.25
  4. Step 4: Simplify right side
    253,023.21x = 67,678,078,695.39
  5. Step 5: Solve for x
    x = 67,678,078,695.39/253,023.21
  6. Step 6: Final answer
    x = 267,477.75

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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.