Finding the Fourth Proportional to 197,992.20, 296,585.10 and 122,881.80
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Solution
The fourth proportional to 197,992.20, 296,585.10 and 122,881.80 is: 184,072.46
Step by Step Solution
- Step 1: Write the proportion equation
197,992.20 : 296,585.10 = 122,881.80 : x - Step 2: Convert to fraction form
197,992.20/296,585.10 = 122,881.80/x - Step 3: Cross multiply
197,992.20x = 296,585.10 × 122,881.80 - Step 4: Simplify right side
197,992.20x = 36,444,910,941.18 - Step 5: Solve for x
x = 36,444,910,941.18/197,992.20 - Step 6: Final answer
x = 184,072.46
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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.