Finding the Fourth Proportional to 179,909.29, 248,270.09 and 99,335.08
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Solution
The fourth proportional to 179,909.29, 248,270.09 and 99,335.08 is: 137,079.80
Step by Step Solution
- Step 1: Write the proportion equation
179,909.29 : 248,270.09 = 99,335.08 : x - Step 2: Convert to fraction form
179,909.29/248,270.09 = 99,335.08/x - Step 3: Cross multiply
179,909.29x = 248,270.09 × 99,335.08 - Step 4: Simplify right side
179,909.29x = 24,661,929,251.76 - Step 5: Solve for x
x = 24,661,929,251.76/179,909.29 - Step 6: Final answer
x = 137,079.80
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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.