Finding the Fourth Proportional to 199,512.18, 299,268.61 and 159,783.84
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Solution
The fourth proportional to 199,512.18, 299,268.61 and 159,783.84 is: 239,676.03
Step by Step Solution
- Step 1: Write the proportion equation
199,512.18 : 299,268.61 = 159,783.84 : x - Step 2: Convert to fraction form
199,512.18/299,268.61 = 159,783.84/x - Step 3: Cross multiply
199,512.18x = 299,268.61 × 159,783.84 - Step 4: Simplify right side
199,512.18x = 47,818,287,297.80 - Step 5: Solve for x
x = 47,818,287,297.80/199,512.18 - Step 6: Final answer
x = 239,676.03
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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.