Finding the Fourth Proportional to 206,058.85, 284,364.06 and 134,397.74
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Solution
The fourth proportional to 206,058.85, 284,364.06 and 134,397.74 is: 185,470.74
Step by Step Solution
- Step 1: Write the proportion equation
206,058.85 : 284,364.06 = 134,397.74 : x - Step 2: Convert to fraction form
206,058.85/284,364.06 = 134,397.74/x - Step 3: Cross multiply
206,058.85x = 284,364.06 × 134,397.74 - Step 4: Simplify right side
206,058.85x = 38,217,887,208.14 - Step 5: Solve for x
x = 38,217,887,208.14/206,058.85 - Step 6: Final answer
x = 185,470.74
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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.