Finding the Fourth Proportional to 235,074.60, 352,663.74 and 77,296.68
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Solution
The fourth proportional to 235,074.60, 352,663.74 and 77,296.68 is: 115,962.07
Step by Step Solution
- Step 1: Write the proportion equation
235,074.60 : 352,663.74 = 77,296.68 : x - Step 2: Convert to fraction form
235,074.60/352,663.74 = 77,296.68/x - Step 3: Cross multiply
235,074.60x = 352,663.74 × 77,296.68 - Step 4: Simplify right side
235,074.60x = 27,259,736,258.38 - Step 5: Solve for x
x = 27,259,736,258.38/235,074.60 - Step 6: Final answer
x = 115,962.07
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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.