Finding the Fourth Proportional to 122,292.73, 168,686.26 and 88,351.03
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Solution
The fourth proportional to 122,292.73, 168,686.26 and 88,351.03 is: 121,868.28
Step by Step Solution
- Step 1: Write the proportion equation
122,292.73 : 168,686.26 = 88,351.03 : x - Step 2: Convert to fraction form
122,292.73/168,686.26 = 88,351.03/x - Step 3: Cross multiply
122,292.73x = 168,686.26 × 88,351.03 - Step 4: Simplify right side
122,292.73x = 14,903,604,817.85 - Step 5: Solve for x
x = 14,903,604,817.85/122,292.73 - Step 6: Final answer
x = 121,868.28
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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.