Finding the Fourth Proportional to 199,664.14, 275,503.99 and 117,981.03
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Solution
The fourth proportional to 199,664.14, 275,503.99 and 117,981.03 is: 162,794.59
Step by Step Solution
- Step 1: Write the proportion equation
199,664.14 : 275,503.99 = 117,981.03 : x - Step 2: Convert to fraction form
199,664.14/275,503.99 = 117,981.03/x - Step 3: Cross multiply
199,664.14x = 275,503.99 × 117,981.03 - Step 4: Simplify right side
199,664.14x = 32,504,242,541.88 - Step 5: Solve for x
x = 32,504,242,541.88/199,664.14 - Step 6: Final answer
x = 162,794.59
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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.