Finding the Fourth Proportional to 297,691.08, 410,811.99 and 161,723.94
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Solution
The fourth proportional to 297,691.08, 410,811.99 and 161,723.94 is: 223,178.11
Step by Step Solution
- Step 1: Write the proportion equation
297,691.08 : 410,811.99 = 161,723.94 : x - Step 2: Convert to fraction form
297,691.08/410,811.99 = 161,723.94/x - Step 3: Cross multiply
297,691.08x = 410,811.99 × 161,723.94 - Step 4: Simplify right side
297,691.08x = 66,438,133,622.04 - Step 5: Solve for x
x = 66,438,133,622.04/297,691.08 - Step 6: Final answer
x = 223,178.11
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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.