Finding the Fourth Proportional to 157,723.35, 217,736.28 and 97,327.26
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Solution
The fourth proportional to 157,723.35, 217,736.28 and 97,327.26 is: 134,359.79
Step by Step Solution
- Step 1: Write the proportion equation
157,723.35 : 217,736.28 = 97,327.26 : x - Step 2: Convert to fraction form
157,723.35/217,736.28 = 97,327.26/x - Step 3: Cross multiply
157,723.35x = 217,736.28 × 97,327.26 - Step 4: Simplify right side
157,723.35x = 21,191,675,534.99 - Step 5: Solve for x
x = 21,191,675,534.99/157,723.35 - Step 6: Final answer
x = 134,359.79
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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.