Finding the Fourth Proportional to 422,381.08, 633,678.96 and 122,861.66
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Solution
The fourth proportional to 422,381.08, 633,678.96 and 122,861.66 is: 184,323.71
Step by Step Solution
- Step 1: Write the proportion equation
422,381.08 : 633,678.96 = 122,861.66 : x - Step 2: Convert to fraction form
422,381.08/633,678.96 = 122,861.66/x - Step 3: Cross multiply
422,381.08x = 633,678.96 × 122,861.66 - Step 4: Simplify right side
422,381.08x = 77,854,848,932.67 - Step 5: Solve for x
x = 77,854,848,932.67/422,381.08 - Step 6: Final answer
x = 184,323.71
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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.