Finding the Fourth Proportional to 212,102.91, 292,746.62 and 134,528.33
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Solution
The fourth proportional to 212,102.91, 292,746.62 and 134,528.33 is: 185,677.39
Step by Step Solution
- Step 1: Write the proportion equation
212,102.91 : 292,746.62 = 134,528.33 : x - Step 2: Convert to fraction form
212,102.91/292,746.62 = 134,528.33/x - Step 3: Cross multiply
212,102.91x = 292,746.62 × 134,528.33 - Step 4: Simplify right side
212,102.91x = 39,382,713,960.97 - Step 5: Solve for x
x = 39,382,713,960.97/212,102.91 - Step 6: Final answer
x = 185,677.39
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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.