Finding the Fourth Proportional to 343,284.94, 473,761.28 and 190,371.09
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Solution
The fourth proportional to 343,284.94, 473,761.28 and 190,371.09 is: 262,727.67
Step by Step Solution
- Step 1: Write the proportion equation
343,284.94 : 473,761.28 = 190,371.09 : x - Step 2: Convert to fraction form
343,284.94/473,761.28 = 190,371.09/x - Step 3: Cross multiply
343,284.94x = 473,761.28 × 190,371.09 - Step 4: Simplify right side
343,284.94x = 90,190,451,273.40 - Step 5: Solve for x
x = 90,190,451,273.40/343,284.94 - Step 6: Final answer
x = 262,727.67
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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.