Finding the Fourth Proportional to 158,194.02, 218,409.63 and 141,168.99
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Solution
The fourth proportional to 158,194.02, 218,409.63 and 141,168.99 is: 194,904.12
Step by Step Solution
- Step 1: Write the proportion equation
158,194.02 : 218,409.63 = 141,168.99 : x - Step 2: Convert to fraction form
158,194.02/218,409.63 = 141,168.99/x - Step 3: Cross multiply
158,194.02x = 218,409.63 × 141,168.99 - Step 4: Simplify right side
158,194.02x = 30,832,666,873.37 - Step 5: Solve for x
x = 30,832,666,873.37/158,194.02 - Step 6: Final answer
x = 194,904.12
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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.