Finding the Fourth Proportional to 217,848.37, 300,631.95 and 122,355.08
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Solution
The fourth proportional to 217,848.37, 300,631.95 and 122,355.08 is: 168,850.68
Step by Step Solution
- Step 1: Write the proportion equation
217,848.37 : 300,631.95 = 122,355.08 : x - Step 2: Convert to fraction form
217,848.37/300,631.95 = 122,355.08/x - Step 3: Cross multiply
217,848.37x = 300,631.95 × 122,355.08 - Step 4: Simplify right side
217,848.37x = 36,783,846,292.81 - Step 5: Solve for x
x = 36,783,846,292.81/217,848.37 - Step 6: Final answer
x = 168,850.68
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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.