Finding the Fourth Proportional to 138,547.73, 207,791.42 and 37,343.42
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Solution
The fourth proportional to 138,547.73, 207,791.42 and 37,343.42 is: 56,006.99
Step by Step Solution
- Step 1: Write the proportion equation
138,547.73 : 207,791.42 = 37,343.42 : x - Step 2: Convert to fraction form
138,547.73/207,791.42 = 37,343.42/x - Step 3: Cross multiply
138,547.73x = 207,791.42 × 37,343.42 - Step 4: Simplify right side
138,547.73x = 7,759,641,043.78 - Step 5: Solve for x
x = 7,759,641,043.78/138,547.73 - Step 6: Final answer
x = 56,006.99
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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.