Finding the Fourth Proportional to 161,901.14, 242,704.69 and 56,662.70
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Solution
The fourth proportional to 161,901.14, 242,704.69 and 56,662.70 is: 84,942.59
Step by Step Solution
- Step 1: Write the proportion equation
161,901.14 : 242,704.69 = 56,662.70 : x - Step 2: Convert to fraction form
161,901.14/242,704.69 = 56,662.70/x - Step 3: Cross multiply
161,901.14x = 242,704.69 × 56,662.70 - Step 4: Simplify right side
161,901.14x = 13,752,301,541.23 - Step 5: Solve for x
x = 13,752,301,541.23/161,901.14 - Step 6: Final answer
x = 84,942.59
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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.