Finding the Fourth Proportional to 98,290.24, 147,213.79 and 68,839.52
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Solution
The fourth proportional to 98,290.24, 147,213.79 and 68,839.52 is: 103,104.09
Step by Step Solution
- Step 1: Write the proportion equation
98,290.24 : 147,213.79 = 68,839.52 : x - Step 2: Convert to fraction form
98,290.24/147,213.79 = 68,839.52/x - Step 3: Cross multiply
98,290.24x = 147,213.79 × 68,839.52 - Step 4: Simplify right side
98,290.24x = 10,134,125,732.81 - Step 5: Solve for x
x = 10,134,125,732.81/98,290.24 - Step 6: Final answer
x = 103,104.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.