Finding the Fourth Proportional to 238,506.36, 329,137.71 and 136,531.26
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Solution
The fourth proportional to 238,506.36, 329,137.71 and 136,531.26 is: 188,412.53
Step by Step Solution
- Step 1: Write the proportion equation
238,506.36 : 329,137.71 = 136,531.26 : x - Step 2: Convert to fraction form
238,506.36/329,137.71 = 136,531.26/x - Step 3: Cross multiply
238,506.36x = 329,137.71 × 136,531.26 - Step 4: Simplify right side
238,506.36x = 44,937,586,259.81 - Step 5: Solve for x
x = 44,937,586,259.81/238,506.36 - Step 6: Final answer
x = 188,412.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.