Finding the Fourth Proportional to 235,956.26, 325,624.59 and 128,526.03
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Solution
The fourth proportional to 235,956.26, 325,624.59 and 128,526.03 is: 177,368.62
Step by Step Solution
- Step 1: Write the proportion equation
235,956.26 : 325,624.59 = 128,526.03 : x - Step 2: Convert to fraction form
235,956.26/325,624.59 = 128,526.03/x - Step 3: Cross multiply
235,956.26x = 325,624.59 × 128,526.03 - Step 4: Simplify right side
235,956.26x = 41,851,235,823.08 - Step 5: Solve for x
x = 41,851,235,823.08/235,956.26 - Step 6: Final answer
x = 177,368.62
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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.