Finding the Fourth Proportional to 217,373.94, 299,919.26 and 125,470.74
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Solution
The fourth proportional to 217,373.94, 299,919.26 and 125,470.74 is: 173,116.85
Step by Step Solution
- Step 1: Write the proportion equation
217,373.94 : 299,919.26 = 125,470.74 : x - Step 2: Convert to fraction form
217,373.94/299,919.26 = 125,470.74/x - Step 3: Cross multiply
217,373.94x = 299,919.26 × 125,470.74 - Step 4: Simplify right side
217,373.94x = 37,631,091,492.45 - Step 5: Solve for x
x = 37,631,091,492.45/217,373.94 - Step 6: Final answer
x = 173,116.85
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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.