Finding the Fourth Proportional to 246,213.12, 369,028.08 and 112,981.08
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Solution
The fourth proportional to 246,213.12, 369,028.08 and 112,981.08 is: 169,337.81
Step by Step Solution
- Step 1: Write the proportion equation
246,213.12 : 369,028.08 = 112,981.08 : x - Step 2: Convert to fraction form
246,213.12/369,028.08 = 112,981.08/x - Step 3: Cross multiply
246,213.12x = 369,028.08 × 112,981.08 - Step 4: Simplify right side
246,213.12x = 41,693,191,028.73 - Step 5: Solve for x
x = 41,693,191,028.73/246,213.12 - Step 6: Final answer
x = 169,337.81
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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.