Finding the Fourth Proportional to 254,456.66, 350,853.53 and 189,813.68
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Solution
The fourth proportional to 254,456.66, 350,853.53 and 189,813.68 is: 261,721.58
Step by Step Solution
- Step 1: Write the proportion equation
254,456.66 : 350,853.53 = 189,813.68 : x - Step 2: Convert to fraction form
254,456.66/350,853.53 = 189,813.68/x - Step 3: Cross multiply
254,456.66x = 350,853.53 × 189,813.68 - Step 4: Simplify right side
254,456.66x = 66,596,800,310.16 - Step 5: Solve for x
x = 66,596,800,310.16/254,456.66 - Step 6: Final answer
x = 261,721.58
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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.