Finding the Fourth Proportional to 246,720.18, 340,480.49 and 149,891.07
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Solution
The fourth proportional to 246,720.18, 340,480.49 and 149,891.07 is: 206,853.71
Step by Step Solution
- Step 1: Write the proportion equation
246,720.18 : 340,480.49 = 149,891.07 : x - Step 2: Convert to fraction form
246,720.18/340,480.49 = 149,891.07/x - Step 3: Cross multiply
246,720.18x = 340,480.49 × 149,891.07 - Step 4: Simplify right side
246,720.18x = 51,034,984,210.77 - Step 5: Solve for x
x = 51,034,984,210.77/246,720.18 - Step 6: Final answer
x = 206,853.71
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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.