Finding the Fourth Proportional to 186,952.47, 257,920.65 and 115,207.53
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Solution
The fourth proportional to 186,952.47, 257,920.65 and 115,207.53 is: 158,940.94
Step by Step Solution
- Step 1: Write the proportion equation
186,952.47 : 257,920.65 = 115,207.53 : x - Step 2: Convert to fraction form
186,952.47/257,920.65 = 115,207.53/x - Step 3: Cross multiply
186,952.47x = 257,920.65 × 115,207.53 - Step 4: Simplify right side
186,952.47x = 29,714,401,022.49 - Step 5: Solve for x
x = 29,714,401,022.49/186,952.47 - Step 6: Final answer
x = 158,940.94
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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.