Finding the Fourth Proportional to 343,351.26, 473,816.25 and 190,390.05
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Solution
The fourth proportional to 343,351.26, 473,816.25 and 190,390.05 is: 262,733.56
Step by Step Solution
- Step 1: Write the proportion equation
343,351.26 : 473,816.25 = 190,390.05 : x - Step 2: Convert to fraction form
343,351.26/473,816.25 = 190,390.05/x - Step 3: Cross multiply
343,351.26x = 473,816.25 × 190,390.05 - Step 4: Simplify right side
343,351.26x = 90,209,899,528.31 - Step 5: Solve for x
x = 90,209,899,528.31/343,351.26 - Step 6: Final answer
x = 262,733.56
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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.