Finding the Fourth Proportional to 197,840.18, 296,640.66 and 77,753.42
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Solution
The fourth proportional to 197,840.18, 296,640.66 and 77,753.42 is: 116,583.12
Step by Step Solution
- Step 1: Write the proportion equation
197,840.18 : 296,640.66 = 77,753.42 : x - Step 2: Convert to fraction form
197,840.18/296,640.66 = 77,753.42/x - Step 3: Cross multiply
197,840.18x = 296,640.66 × 77,753.42 - Step 4: Simplify right side
197,840.18x = 23,064,825,826.06 - Step 5: Solve for x
x = 23,064,825,826.06/197,840.18 - Step 6: Final answer
x = 116,583.12
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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.