Finding the Fourth Proportional to 279,595.95, 418,979.19 and 205,361.07
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Solution
The fourth proportional to 279,595.95, 418,979.19 and 205,361.07 is: 307,736.99
Step by Step Solution
- Step 1: Write the proportion equation
279,595.95 : 418,979.19 = 205,361.07 : x - Step 2: Convert to fraction form
279,595.95/418,979.19 = 205,361.07/x - Step 3: Cross multiply
279,595.95x = 418,979.19 × 205,361.07 - Step 4: Simplify right side
279,595.95x = 86,042,014,766.13 - Step 5: Solve for x
x = 86,042,014,766.13/279,595.95 - Step 6: Final answer
x = 307,736.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.