Finding the Fourth Proportional to 235,495.74, 324,992.64 and 134,913.18
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Solution
The fourth proportional to 235,495.74, 324,992.64 and 134,913.18 is: 186,185.07
Step by Step Solution
- Step 1: Write the proportion equation
235,495.74 : 324,992.64 = 134,913.18 : x - Step 2: Convert to fraction form
235,495.74/324,992.64 = 134,913.18/x - Step 3: Cross multiply
235,495.74x = 324,992.64 × 134,913.18 - Step 4: Simplify right side
235,495.74x = 43,845,790,539.00 - Step 5: Solve for x
x = 43,845,790,539.00/235,495.74 - Step 6: Final answer
x = 186,185.07
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1.5x scale
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.