Finding the Fourth Proportional to 238,583.63, 357,866.10 and 80,812.08
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Solution
The fourth proportional to 238,583.63, 357,866.10 and 80,812.08 is: 121,214.96
Step by Step Solution
- Step 1: Write the proportion equation
238,583.63 : 357,866.10 = 80,812.08 : x - Step 2: Convert to fraction form
238,583.63/357,866.10 = 80,812.08/x - Step 3: Cross multiply
238,583.63x = 357,866.10 × 80,812.08 - Step 4: Simplify right side
238,583.63x = 28,919,903,902.49 - Step 5: Solve for x
x = 28,919,903,902.49/238,583.63 - Step 6: Final answer
x = 121,214.96
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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.