Finding the Fourth Proportional to 249,901.29, 344,850.08 and 136,716.75
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Solution
The fourth proportional to 249,901.29, 344,850.08 and 136,716.75 is: 188,661.62
Step by Step Solution
- Step 1: Write the proportion equation
249,901.29 : 344,850.08 = 136,716.75 : x - Step 2: Convert to fraction form
249,901.29/344,850.08 = 136,716.75/x - Step 3: Cross multiply
249,901.29x = 344,850.08 × 136,716.75 - Step 4: Simplify right side
249,901.29x = 47,146,781,491.26 - Step 5: Solve for x
x = 47,146,781,491.26/249,901.29 - Step 6: Final answer
x = 188,661.62
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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.