Finding the Fourth Proportional to 355,518.27, 490,622.94 and 212,251.59
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Solution
The fourth proportional to 355,518.27, 490,622.94 and 212,251.59 is: 292,911.81
Step by Step Solution
- Step 1: Write the proportion equation
355,518.27 : 490,622.94 = 212,251.59 : x - Step 2: Convert to fraction form
355,518.27/490,622.94 = 212,251.59/x - Step 3: Cross multiply
355,518.27x = 490,622.94 × 212,251.59 - Step 4: Simplify right side
355,518.27x = 104,135,499,105.48 - Step 5: Solve for x
x = 104,135,499,105.48/355,518.27 - Step 6: Final answer
x = 292,911.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.