Finding the Fourth Proportional to 179,655.84, 247,921.92 and 99,091.08
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Solution
The fourth proportional to 179,655.84, 247,921.92 and 99,091.08 is: 136,743.96
Step by Step Solution
- Step 1: Write the proportion equation
179,655.84 : 247,921.92 = 99,091.08 : x - Step 2: Convert to fraction form
179,655.84/247,921.92 = 99,091.08/x - Step 3: Cross multiply
179,655.84x = 247,921.92 × 99,091.08 - Step 4: Simplify right side
179,655.84x = 24,566,850,808.47 - Step 5: Solve for x
x = 24,566,850,808.47/179,655.84 - Step 6: Final answer
x = 136,743.96
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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.