Finding the Fourth Proportional to 159,371.52, 237,891.25 and 140,455.08
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Solution
The fourth proportional to 159,371.52, 237,891.25 and 140,455.08 is: 209,654.99
Step by Step Solution
- Step 1: Write the proportion equation
159,371.52 : 237,891.25 = 140,455.08 : x - Step 2: Convert to fraction form
159,371.52/237,891.25 = 140,455.08/x - Step 3: Cross multiply
159,371.52x = 237,891.25 × 140,455.08 - Step 4: Simplify right side
159,371.52x = 33,413,033,935.56 - Step 5: Solve for x
x = 33,413,033,935.56/159,371.52 - Step 6: Final answer
x = 209,654.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.