Finding the Fourth Proportional to 320,458.01, 442,343.33 and 184,546.05
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Solution
The fourth proportional to 320,458.01, 442,343.33 and 184,546.05 is: 254,737.64
Step by Step Solution
- Step 1: Write the proportion equation
320,458.01 : 442,343.33 = 184,546.05 : x - Step 2: Convert to fraction form
320,458.01/442,343.33 = 184,546.05/x - Step 3: Cross multiply
320,458.01x = 442,343.33 × 184,546.05 - Step 4: Simplify right side
320,458.01x = 81,632,716,138.15 - Step 5: Solve for x
x = 81,632,716,138.15/320,458.01 - Step 6: Final answer
x = 254,737.64
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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.