Finding the Fourth Proportional to 352,986.51, 487,124.61 and 191,841.99
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Solution
The fourth proportional to 352,986.51, 487,124.61 and 191,841.99 is: 264,743.70
Step by Step Solution
- Step 1: Write the proportion equation
352,986.51 : 487,124.61 = 191,841.99 : x - Step 2: Convert to fraction form
352,986.51/487,124.61 = 191,841.99/x - Step 3: Cross multiply
352,986.51x = 487,124.61 × 191,841.99 - Step 4: Simplify right side
352,986.51x = 93,450,954,560.37 - Step 5: Solve for x
x = 93,450,954,560.37/352,986.51 - Step 6: Final answer
x = 264,743.70
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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.