Finding the Fourth Proportional to 205,268.99, 307,908.14 and 163,178.15
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Solution
The fourth proportional to 205,268.99, 307,908.14 and 163,178.15 is: 244,770.92
Step by Step Solution
- Step 1: Write the proportion equation
205,268.99 : 307,908.14 = 163,178.15 : x - Step 2: Convert to fraction form
205,268.99/307,908.14 = 163,178.15/x - Step 3: Cross multiply
205,268.99x = 307,908.14 × 163,178.15 - Step 4: Simplify right side
205,268.99x = 50,243,878,299.71 - Step 5: Solve for x
x = 50,243,878,299.71/205,268.99 - Step 6: Final answer
x = 244,770.92
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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.