Finding the Fourth Proportional to 181,073.87, 249,880.10 and 100,502.09
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Solution
The fourth proportional to 181,073.87, 249,880.10 and 100,502.09 is: 138,691.86
Step by Step Solution
- Step 1: Write the proportion equation
181,073.87 : 249,880.10 = 100,502.09 : x - Step 2: Convert to fraction form
181,073.87/249,880.10 = 100,502.09/x - Step 3: Cross multiply
181,073.87x = 249,880.10 × 100,502.09 - Step 4: Simplify right side
181,073.87x = 25,113,472,299.41 - Step 5: Solve for x
x = 25,113,472,299.41/181,073.87 - Step 6: Final answer
x = 138,691.86
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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.