Finding the Fourth Proportional to 160,398.38, 221,405.09 and 92,442.49
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Solution
The fourth proportional to 160,398.38, 221,405.09 and 92,442.49 is: 127,602.52
Step by Step Solution
- Step 1: Write the proportion equation
160,398.38 : 221,405.09 = 92,442.49 : x - Step 2: Convert to fraction form
160,398.38/221,405.09 = 92,442.49/x - Step 3: Cross multiply
160,398.38x = 221,405.09 × 92,442.49 - Step 4: Simplify right side
160,398.38x = 20,467,237,818.27 - Step 5: Solve for x
x = 20,467,237,818.27/160,398.38 - Step 6: Final answer
x = 127,602.52
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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.