Finding the Fourth Proportional to 384,206.73, 530,202.79 and 212,135.39
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Solution
The fourth proportional to 384,206.73, 530,202.79 and 212,135.39 is: 292,745.46
Step by Step Solution
- Step 1: Write the proportion equation
384,206.73 : 530,202.79 = 212,135.39 : x - Step 2: Convert to fraction form
384,206.73/530,202.79 = 212,135.39/x - Step 3: Cross multiply
384,206.73x = 530,202.79 × 212,135.39 - Step 4: Simplify right side
384,206.73x = 112,474,777,226.41 - Step 5: Solve for x
x = 112,474,777,226.41/384,206.73 - Step 6: Final answer
x = 292,745.46
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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.