Finding the Fourth Proportional to 235,471.75, 324,980.45 and 134,869.75
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Solution
The fourth proportional to 235,471.75, 324,980.45 and 134,869.75 is: 186,137.11
Step by Step Solution
- Step 1: Write the proportion equation
235,471.75 : 324,980.45 = 134,869.75 : x - Step 2: Convert to fraction form
235,471.75/324,980.45 = 134,869.75/x - Step 3: Cross multiply
235,471.75x = 324,980.45 × 134,869.75 - Step 4: Simplify right side
235,471.75x = 43,830,032,046.39 - Step 5: Solve for x
x = 43,830,032,046.39/235,471.75 - Step 6: Final answer
x = 186,137.11
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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.