Finding the Fourth Proportional to 205,455.19, 306,678.23 and 181,187.63
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Solution
The fourth proportional to 205,455.19, 306,678.23 and 181,187.63 is: 270,454.60
Step by Step Solution
- Step 1: Write the proportion equation
205,455.19 : 306,678.23 = 181,187.63 : x - Step 2: Convert to fraction form
205,455.19/306,678.23 = 181,187.63/x - Step 3: Cross multiply
205,455.19x = 306,678.23 × 181,187.63 - Step 4: Simplify right side
205,455.19x = 55,566,301,666.29 - Step 5: Solve for x
x = 55,566,301,666.29/205,455.19 - Step 6: Final answer
x = 270,454.60
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.