Finding the Fourth Proportional to 196,476.19, 294,271.18 and 137,574.82
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Solution
The fourth proportional to 196,476.19, 294,271.18 and 137,574.82 is: 206,051.96
Step by Step Solution
- Step 1: Write the proportion equation
196,476.19 : 294,271.18 = 137,574.82 : x - Step 2: Convert to fraction form
196,476.19/294,271.18 = 137,574.82/x - Step 3: Cross multiply
196,476.19x = 294,271.18 × 137,574.82 - Step 4: Simplify right side
196,476.19x = 40,484,304,619.69 - Step 5: Solve for x
x = 40,484,304,619.69/196,476.19 - Step 6: Final answer
x = 206,051.96
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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.