Finding the Fourth Proportional to 422,419.08, 633,670.20 and 122,902.68
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Solution
The fourth proportional to 422,419.08, 633,670.20 and 122,902.68 is: 184,366.12
Step by Step Solution
- Step 1: Write the proportion equation
422,419.08 : 633,670.20 = 122,902.68 : x - Step 2: Convert to fraction form
422,419.08/633,670.20 = 122,902.68/x - Step 3: Cross multiply
422,419.08x = 633,670.20 × 122,902.68 - Step 4: Simplify right side
422,419.08x = 77,879,765,816.14 - Step 5: Solve for x
x = 77,879,765,816.14/422,419.08 - Step 6: Final answer
x = 184,366.12
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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.