Finding the Fourth Proportional to 187,852.19, 281,647.04 and 69,508.17
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Solution
The fourth proportional to 187,852.19, 281,647.04 and 69,508.17 is: 104,213.69
Step by Step Solution
- Step 1: Write the proportion equation
187,852.19 : 281,647.04 = 69,508.17 : x - Step 2: Convert to fraction form
187,852.19/281,647.04 = 69,508.17/x - Step 3: Cross multiply
187,852.19x = 281,647.04 × 69,508.17 - Step 4: Simplify right side
187,852.19x = 19,576,769,988.78 - Step 5: Solve for x
x = 19,576,769,988.78/187,852.19 - Step 6: Final answer
x = 104,213.69
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1.5x scale
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.