Finding the Fourth Proportional to 302,853.18, 417,940.19 and 166,891.99
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Solution
The fourth proportional to 302,853.18, 417,940.19 and 166,891.99 is: 230,312.49
Step by Step Solution
- Step 1: Write the proportion equation
302,853.18 : 417,940.19 = 166,891.99 : x - Step 2: Convert to fraction form
302,853.18/417,940.19 = 166,891.99/x - Step 3: Cross multiply
302,853.18x = 417,940.19 × 166,891.99 - Step 4: Simplify right side
302,853.18x = 69,750,869,175.62 - Step 5: Solve for x
x = 69,750,869,175.62/302,853.18 - Step 6: Final answer
x = 230,312.49
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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.