Finding the Fourth Proportional to 190,045.49, 260,865.67 and 168,053.30
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Solution
The fourth proportional to 190,045.49, 260,865.67 and 168,053.30 is: 230,678.12
Step by Step Solution
- Step 1: Write the proportion equation
190,045.49 : 260,865.67 = 168,053.30 : x - Step 2: Convert to fraction form
190,045.49/260,865.67 = 168,053.30/x - Step 3: Cross multiply
190,045.49x = 260,865.67 × 168,053.30 - Step 4: Simplify right side
190,045.49x = 43,839,336,700.21 - Step 5: Solve for x
x = 43,839,336,700.21/190,045.49 - Step 6: Final answer
x = 230,678.12
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.