Finding the Fourth Proportional to 247,614.81, 340,943.29 and 193,386.03
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Solution
The fourth proportional to 247,614.81, 340,943.29 and 193,386.03 is: 266,275.14
Step by Step Solution
- Step 1: Write the proportion equation
247,614.81 : 340,943.29 = 193,386.03 : x - Step 2: Convert to fraction form
247,614.81/340,943.29 = 193,386.03/x - Step 3: Cross multiply
247,614.81x = 340,943.29 × 193,386.03 - Step 4: Simplify right side
247,614.81x = 65,933,669,308.24 - Step 5: Solve for x
x = 65,933,669,308.24/247,614.81 - Step 6: Final answer
x = 266,275.14
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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.