Finding the Fourth Proportional to 226,265.73, 312,236.61 and 135,671.70
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Solution
The fourth proportional to 226,265.73, 312,236.61 and 135,671.70 is: 187,220.89
Step by Step Solution
- Step 1: Write the proportion equation
226,265.73 : 312,236.61 = 135,671.70 : x - Step 2: Convert to fraction form
226,265.73/312,236.61 = 135,671.70/x - Step 3: Cross multiply
226,265.73x = 312,236.61 × 135,671.70 - Step 4: Simplify right side
226,265.73x = 42,361,671,680.94 - Step 5: Solve for x
x = 42,361,671,680.94/226,265.73 - Step 6: Final answer
x = 187,220.89
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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.