Finding the Fourth Proportional to 202,943.80, 304,415.70 and 109,631.80
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Solution
The fourth proportional to 202,943.80, 304,415.70 and 109,631.80 is: 164,447.70
Step by Step Solution
- Step 1: Write the proportion equation
202,943.80 : 304,415.70 = 109,631.80 : x - Step 2: Convert to fraction form
202,943.80/304,415.70 = 109,631.80/x - Step 3: Cross multiply
202,943.80x = 304,415.70 × 109,631.80 - Step 4: Simplify right side
202,943.80x = 33,373,641,139.26 - Step 5: Solve for x
x = 33,373,641,139.26/202,943.80 - Step 6: Final answer
x = 164,447.70
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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.