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Finding the Fourth Proportional to 347,603, 479,692.14 and 188,627

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Solution

The fourth proportional to 347,603, 479,692.14 and 188,627 is: 260,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,603 : 479,692.14 = 188,627 : x
  2. Step 2: Convert to fraction form
    347,603/479,692.14 = 188,627/x
  3. Step 3: Cross multiply
    347,603x = 479,692.14 × 188,627
  4. Step 4: Simplify right side
    347,603x = 90,482,889,291.78
  5. Step 5: Solve for x
    x = 90,482,889,291.78/347,603
  6. Step 6: Final answer
    x = 260,305.26

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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.