Finding the Fourth Proportional to 191,537.21, 264,201.59 and 137,737.01
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Solution
The fourth proportional to 191,537.21, 264,201.59 and 137,737.01 is: 189,990.95
Step by Step Solution
- Step 1: Write the proportion equation
191,537.21 : 264,201.59 = 137,737.01 : x - Step 2: Convert to fraction form
191,537.21/264,201.59 = 137,737.01/x - Step 3: Cross multiply
191,537.21x = 264,201.59 × 137,737.01 - Step 4: Simplify right side
191,537.21x = 36,390,335,034.15 - Step 5: Solve for x
x = 36,390,335,034.15/191,537.21 - Step 6: Final answer
x = 189,990.95
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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.