Finding the Fourth Proportional to 124,174.71, 186,243.17 and 45,288.99
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Solution
The fourth proportional to 124,174.71, 186,243.17 and 45,288.99 is: 67,926.59
Step by Step Solution
- Step 1: Write the proportion equation
124,174.71 : 186,243.17 = 45,288.99 : x - Step 2: Convert to fraction form
124,174.71/186,243.17 = 45,288.99/x - Step 3: Cross multiply
124,174.71x = 186,243.17 × 45,288.99 - Step 4: Simplify right side
124,174.71x = 8,434,764,837.25 - Step 5: Solve for x
x = 8,434,764,837.25/124,174.71 - Step 6: Final answer
x = 67,926.59
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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.