Finding the Fourth Proportional to 151,605.24, 209,220.27 and 82,698.48
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Solution
The fourth proportional to 151,605.24, 209,220.27 and 82,698.48 is: 114,126.65
Step by Step Solution
- Step 1: Write the proportion equation
151,605.24 : 209,220.27 = 82,698.48 : x - Step 2: Convert to fraction form
151,605.24/209,220.27 = 82,698.48/x - Step 3: Cross multiply
151,605.24x = 209,220.27 × 82,698.48 - Step 4: Simplify right side
151,605.24x = 17,302,198,314.19 - Step 5: Solve for x
x = 17,302,198,314.19/151,605.24 - Step 6: Final answer
x = 114,126.65
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1.5x scale
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.