Finding the Fourth Proportional to 238,821.63, 358,236.06 and 61,324.71
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Solution
The fourth proportional to 238,821.63, 358,236.06 and 61,324.71 is: 91,987.99
Step by Step Solution
- Step 1: Write the proportion equation
238,821.63 : 358,236.06 = 61,324.71 : x - Step 2: Convert to fraction form
238,821.63/358,236.06 = 61,324.71/x - Step 3: Cross multiply
238,821.63x = 358,236.06 × 61,324.71 - Step 4: Simplify right side
238,821.63x = 21,968,722,491.04 - Step 5: Solve for x
x = 21,968,722,491.04/238,821.63 - Step 6: Final answer
x = 91,987.99
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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.