Finding the Fourth Proportional to 298,257.75, 411,595.70 and 164,121.75
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Solution
The fourth proportional to 298,257.75, 411,595.70 and 164,121.75 is: 226,488.02
Step by Step Solution
- Step 1: Write the proportion equation
298,257.75 : 411,595.70 = 164,121.75 : x - Step 2: Convert to fraction form
298,257.75/411,595.70 = 164,121.75/x - Step 3: Cross multiply
298,257.75x = 411,595.70 × 164,121.75 - Step 4: Simplify right side
298,257.75x = 67,551,805,755.87 - Step 5: Solve for x
x = 67,551,805,755.87/298,257.75 - Step 6: Final answer
x = 226,488.02
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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.