Finding the Fourth Proportional to 163,207.84, 244,633.20 and 69,769.12
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Solution
The fourth proportional to 163,207.84, 244,633.20 and 69,769.12 is: 104,577.35
Step by Step Solution
- Step 1: Write the proportion equation
163,207.84 : 244,633.20 = 69,769.12 : x - Step 2: Convert to fraction form
163,207.84/244,633.20 = 69,769.12/x - Step 3: Cross multiply
163,207.84x = 244,633.20 × 69,769.12 - Step 4: Simplify right side
163,207.84x = 17,067,843,086.78 - Step 5: Solve for x
x = 17,067,843,086.78/163,207.84 - Step 6: Final answer
x = 104,577.35
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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.