Finding the Fourth Proportional to 161,531.36, 242,259.36 and 61,654.88
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Solution
The fourth proportional to 161,531.36, 242,259.36 and 61,654.88 is: 92,467.94
Step by Step Solution
- Step 1: Write the proportion equation
161,531.36 : 242,259.36 = 61,654.88 : x - Step 2: Convert to fraction form
161,531.36/242,259.36 = 61,654.88/x - Step 3: Cross multiply
161,531.36x = 242,259.36 × 61,654.88 - Step 4: Simplify right side
161,531.36x = 14,936,471,769.68 - Step 5: Solve for x
x = 14,936,471,769.68/161,531.36 - Step 6: Final answer
x = 92,467.94
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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.