Finding the Fourth Proportional to 193,731.18, 290,580.26 and 67,338.98
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Solution
The fourth proportional to 193,731.18, 290,580.26 and 67,338.98 is: 101,002.72
Step by Step Solution
- Step 1: Write the proportion equation
193,731.18 : 290,580.26 = 67,338.98 : x - Step 2: Convert to fraction form
193,731.18/290,580.26 = 67,338.98/x - Step 3: Cross multiply
193,731.18x = 290,580.26 × 67,338.98 - Step 4: Simplify right side
193,731.18x = 19,567,376,526.94 - Step 5: Solve for x
x = 19,567,376,526.94/193,731.18 - Step 6: Final answer
x = 101,002.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.