Finding the Fourth Proportional to 238,636.99, 329,316.09 and 131,206.08
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Solution
The fourth proportional to 238,636.99, 329,316.09 and 131,206.08 is: 181,062.77
Step by Step Solution
- Step 1: Write the proportion equation
238,636.99 : 329,316.09 = 131,206.08 : x - Step 2: Convert to fraction form
238,636.99/329,316.09 = 131,206.08/x - Step 3: Cross multiply
238,636.99x = 329,316.09 × 131,206.08 - Step 4: Simplify right side
238,636.99x = 43,208,273,249.83 - Step 5: Solve for x
x = 43,208,273,249.83/238,636.99 - Step 6: Final answer
x = 181,062.77
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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.