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Finding the Fourth Proportional to 251,256.70, 352,692.50 and 251,256.70

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Solution

The fourth proportional to 251,256.70, 352,692.50 and 251,256.70 is: 352,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,256.70 : 352,692.50 = 251,256.70 : x
  2. Step 2: Convert to fraction form
    251,256.70/352,692.50 = 251,256.70/x
  3. Step 3: Cross multiply
    251,256.70x = 352,692.50 × 251,256.70
  4. Step 4: Simplify right side
    251,256.70x = 88,616,353,664.75
  5. Step 5: Solve for x
    x = 88,616,353,664.75/251,256.70
  6. Step 6: Final answer
    x = 352,692.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.