Finding the Fourth Proportional to 761,903.70, 1,143,083.97 and 229,442.10
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Solution
The fourth proportional to 761,903.70, 1,143,083.97 and 229,442.10 is: 344,231.94
Step by Step Solution
- Step 1: Write the proportion equation
761,903.70 : 1,143,083.97 = 229,442.10 : x - Step 2: Convert to fraction form
761,903.70/1,143,083.97 = 229,442.10/x - Step 3: Cross multiply
761,903.70x = 1,143,083.97 × 229,442.10 - Step 4: Simplify right side
761,903.70x = 262,271,586,553.14 - Step 5: Solve for x
x = 262,271,586,553.14/761,903.70 - Step 6: Final answer
x = 344,231.94
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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.