Finding the Fourth Proportional to 228,515.53, 343,298.81 and 161,202.49
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Solution
The fourth proportional to 228,515.53, 343,298.81 and 161,202.49 is: 242,174.45
Step by Step Solution
- Step 1: Write the proportion equation
228,515.53 : 343,298.81 = 161,202.49 : x - Step 2: Convert to fraction form
228,515.53/343,298.81 = 161,202.49/x - Step 3: Cross multiply
228,515.53x = 343,298.81 × 161,202.49 - Step 4: Simplify right side
228,515.53x = 55,340,623,261.24 - Step 5: Solve for x
x = 55,340,623,261.24/228,515.53 - Step 6: Final answer
x = 242,174.45
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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.