Finding the Fourth Proportional to 186,807.11, 257,492.66 and 126,355.70
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Solution
The fourth proportional to 186,807.11, 257,492.66 and 126,355.70 is: 174,167.17
Step by Step Solution
- Step 1: Write the proportion equation
186,807.11 : 257,492.66 = 126,355.70 : x - Step 2: Convert to fraction form
186,807.11/257,492.66 = 126,355.70/x - Step 3: Cross multiply
186,807.11x = 257,492.66 × 126,355.70 - Step 4: Simplify right side
186,807.11x = 32,535,665,311.12 - Step 5: Solve for x
x = 32,535,665,311.12/186,807.11 - Step 6: Final answer
x = 174,167.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.