Finding the Fourth Proportional to 151,988.58, 209,743.74 and 84,920.58
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Solution
The fourth proportional to 151,988.58, 209,743.74 and 84,920.58 is: 117,190.12
Step by Step Solution
- Step 1: Write the proportion equation
151,988.58 : 209,743.74 = 84,920.58 : x - Step 2: Convert to fraction form
151,988.58/209,743.74 = 84,920.58/x - Step 3: Cross multiply
151,988.58x = 209,743.74 × 84,920.58 - Step 4: Simplify right side
151,988.58x = 17,811,560,052.17 - Step 5: Solve for x
x = 17,811,560,052.17/151,988.58 - Step 6: Final answer
x = 117,190.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.