Finding the Fourth Proportional to 199,340.56, 299,010.84 and 136,821.52
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Solution
The fourth proportional to 199,340.56, 299,010.84 and 136,821.52 is: 205,232.28
Step by Step Solution
- Step 1: Write the proportion equation
199,340.56 : 299,010.84 = 136,821.52 : x - Step 2: Convert to fraction form
199,340.56/299,010.84 = 136,821.52/x - Step 3: Cross multiply
199,340.56x = 299,010.84 × 136,821.52 - Step 4: Simplify right side
199,340.56x = 40,911,117,625.28 - Step 5: Solve for x
x = 40,911,117,625.28/199,340.56 - Step 6: Final answer
x = 205,232.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.