Finding the Fourth Proportional to 190,749.49, 286,110.99 and 57,630.44
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Solution
The fourth proportional to 190,749.49, 286,110.99 and 57,630.44 is: 86,441.66
Step by Step Solution
- Step 1: Write the proportion equation
190,749.49 : 286,110.99 = 57,630.44 : x - Step 2: Convert to fraction form
190,749.49/286,110.99 = 57,630.44/x - Step 3: Cross multiply
190,749.49x = 286,110.99 × 57,630.44 - Step 4: Simplify right side
190,749.49x = 16,488,702,957.81 - Step 5: Solve for x
x = 16,488,702,957.81/190,749.49 - Step 6: Final answer
x = 86,441.66
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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.