Finding the Fourth Proportional to 191,430.06, 287,276.49 and 66,771.06
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Solution
The fourth proportional to 191,430.06, 287,276.49 and 66,771.06 is: 100,202.42
Step by Step Solution
- Step 1: Write the proportion equation
191,430.06 : 287,276.49 = 66,771.06 : x - Step 2: Convert to fraction form
191,430.06/287,276.49 = 66,771.06/x - Step 3: Cross multiply
191,430.06x = 287,276.49 × 66,771.06 - Step 4: Simplify right side
191,430.06x = 19,181,755,750.38 - Step 5: Solve for x
x = 19,181,755,750.38/191,430.06 - Step 6: Final answer
x = 100,202.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.