Finding the Fourth Proportional to 249,341.92, 344,097.84 and 136,163.68
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Solution
The fourth proportional to 249,341.92, 344,097.84 and 136,163.68 is: 187,909.15
Step by Step Solution
- Step 1: Write the proportion equation
249,341.92 : 344,097.84 = 136,163.68 : x - Step 2: Convert to fraction form
249,341.92/344,097.84 = 136,163.68/x - Step 3: Cross multiply
249,341.92x = 344,097.84 × 136,163.68 - Step 4: Simplify right side
249,341.92x = 46,853,628,174.45 - Step 5: Solve for x
x = 46,853,628,174.45/249,341.92 - Step 6: Final answer
x = 187,909.15
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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.