Finding the Fourth Proportional to 238,682.16, 329,383.80 and 131,252.99
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Solution
The fourth proportional to 238,682.16, 329,383.80 and 131,252.99 is: 181,130.45
Step by Step Solution
- Step 1: Write the proportion equation
238,682.16 : 329,383.80 = 131,252.99 : x - Step 2: Convert to fraction form
238,682.16/329,383.80 = 131,252.99/x - Step 3: Cross multiply
238,682.16x = 329,383.80 × 131,252.99 - Step 4: Simplify right side
238,682.16x = 43,232,606,960.64 - Step 5: Solve for x
x = 43,232,606,960.64/238,682.16 - Step 6: Final answer
x = 181,130.45
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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.