Finding the Fourth Proportional to 181,088.26, 249,901.37 and 100,516.75
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Solution
The fourth proportional to 181,088.26, 249,901.37 and 100,516.75 is: 138,712.87
Step by Step Solution
- Step 1: Write the proportion equation
181,088.26 : 249,901.37 = 100,516.75 : x - Step 2: Convert to fraction form
181,088.26/249,901.37 = 100,516.75/x - Step 3: Cross multiply
181,088.26x = 249,901.37 × 100,516.75 - Step 4: Simplify right side
181,088.26x = 25,119,272,782.55 - Step 5: Solve for x
x = 25,119,272,782.55/181,088.26 - Step 6: Final answer
x = 138,712.87
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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.