Finding the Fourth Proportional to 98,376.80, 147,343.18 and 68,926.08
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Solution
The fourth proportional to 98,376.80, 147,343.18 and 68,926.08 is: 103,233.57
Step by Step Solution
- Step 1: Write the proportion equation
98,376.80 : 147,343.18 = 68,926.08 : x - Step 2: Convert to fraction form
98,376.80/147,343.18 = 68,926.08/x - Step 3: Cross multiply
98,376.80x = 147,343.18 × 68,926.08 - Step 4: Simplify right side
98,376.80x = 10,155,787,812.13 - Step 5: Solve for x
x = 10,155,787,812.13/98,376.80 - Step 6: Final answer
x = 103,233.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.