Finding the Fourth Proportional to 179,615.49, 247,864.08 and 99,042.99
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Solution
The fourth proportional to 179,615.49, 247,864.08 and 99,042.99 is: 136,676.41
Step by Step Solution
- Step 1: Write the proportion equation
179,615.49 : 247,864.08 = 99,042.99 : x - Step 2: Convert to fraction form
179,615.49/247,864.08 = 99,042.99/x - Step 3: Cross multiply
179,615.49x = 247,864.08 × 99,042.99 - Step 4: Simplify right side
179,615.49x = 24,549,199,596.80 - Step 5: Solve for x
x = 24,549,199,596.80/179,615.49 - Step 6: Final answer
x = 136,676.41
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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.