Finding the Fourth Proportional to 190,650.53, 262,988.42 and 118,905.99
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Solution
The fourth proportional to 190,650.53, 262,988.42 and 118,905.99 is: 164,022.09
Step by Step Solution
- Step 1: Write the proportion equation
190,650.53 : 262,988.42 = 118,905.99 : x - Step 2: Convert to fraction form
190,650.53/262,988.42 = 118,905.99/x - Step 3: Cross multiply
190,650.53x = 262,988.42 × 118,905.99 - Step 4: Simplify right side
190,650.53x = 31,270,897,844.11 - Step 5: Solve for x
x = 31,270,897,844.11/190,650.53 - Step 6: Final answer
x = 164,022.09
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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.