Finding the Fourth Proportional to 207,757.29, 286,838.50 and 130,339.07
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Solution
The fourth proportional to 207,757.29, 286,838.50 and 130,339.07 is: 179,951.63
Step by Step Solution
- Step 1: Write the proportion equation
207,757.29 : 286,838.50 = 130,339.07 : x - Step 2: Convert to fraction form
207,757.29/286,838.50 = 130,339.07/x - Step 3: Cross multiply
207,757.29x = 286,838.50 × 130,339.07 - Step 4: Simplify right side
207,757.29x = 37,386,263,721.44 - Step 5: Solve for x
x = 37,386,263,721.44/207,757.29 - Step 6: Final answer
x = 179,951.63
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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.