Finding the Fourth Proportional to 249,641.92, 344,504.10 and 136,464.94
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Solution
The fourth proportional to 249,641.92, 344,504.10 and 136,464.94 is: 188,320.66
Step by Step Solution
- Step 1: Write the proportion equation
249,641.92 : 344,504.10 = 136,464.94 : x - Step 2: Convert to fraction form
249,641.92/344,504.10 = 136,464.94/x - Step 3: Cross multiply
249,641.92x = 344,504.10 × 136,464.94 - Step 4: Simplify right side
249,641.92x = 47,012,731,336.25 - Step 5: Solve for x
x = 47,012,731,336.25/249,641.92 - Step 6: Final answer
x = 188,320.66
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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.