Finding the Fourth Proportional to 217,747.37, 300,483.62 and 122,258.09
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Solution
The fourth proportional to 217,747.37, 300,483.62 and 122,258.09 is: 168,711.81
Step by Step Solution
- Step 1: Write the proportion equation
217,747.37 : 300,483.62 = 122,258.09 : x - Step 2: Convert to fraction form
217,747.37/300,483.62 = 122,258.09/x - Step 3: Cross multiply
217,747.37x = 300,483.62 × 122,258.09 - Step 4: Simplify right side
217,747.37x = 36,736,553,457.49 - Step 5: Solve for x
x = 36,736,553,457.49/217,747.37 - Step 6: Final answer
x = 168,711.81
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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.