Finding the Fourth Proportional to 238,888.99, 329,658.52 and 131,448.97
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Solution
The fourth proportional to 238,888.99, 329,658.52 and 131,448.97 is: 181,395.02
Step by Step Solution
- Step 1: Write the proportion equation
238,888.99 : 329,658.52 = 131,448.97 : x - Step 2: Convert to fraction form
238,888.99/329,658.52 = 131,448.97/x - Step 3: Cross multiply
238,888.99x = 329,658.52 × 131,448.97 - Step 4: Simplify right side
238,888.99x = 43,333,272,905.72 - Step 5: Solve for x
x = 43,333,272,905.72/238,888.99 - Step 6: Final answer
x = 181,395.02
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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.