Finding the Fourth Proportional to 161,907.66, 242,890.71 and 73,202.94
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Solution
The fourth proportional to 161,907.66, 242,890.71 and 73,202.94 is: 109,817.62
Step by Step Solution
- Step 1: Write the proportion equation
161,907.66 : 242,890.71 = 73,202.94 : x - Step 2: Convert to fraction form
161,907.66/242,890.71 = 73,202.94/x - Step 3: Cross multiply
161,907.66x = 242,890.71 × 73,202.94 - Step 4: Simplify right side
161,907.66x = 17,780,314,070.69 - Step 5: Solve for x
x = 17,780,314,070.69/161,907.66 - Step 6: Final answer
x = 109,817.62
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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.