Finding the Fourth Proportional to 217,087.60, 299,572.14 and 126,446.44
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Solution
The fourth proportional to 217,087.60, 299,572.14 and 126,446.44 is: 174,490.99
Step by Step Solution
- Step 1: Write the proportion equation
217,087.60 : 299,572.14 = 126,446.44 : x - Step 2: Convert to fraction form
217,087.60/299,572.14 = 126,446.44/x - Step 3: Cross multiply
217,087.60x = 299,572.14 × 126,446.44 - Step 4: Simplify right side
217,087.60x = 37,879,830,626.18 - Step 5: Solve for x
x = 37,879,830,626.18/217,087.60 - Step 6: Final answer
x = 174,490.99
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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.