Finding the Fourth Proportional to 440,296.34, 660,538.60 and 136,683.79
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Solution
The fourth proportional to 440,296.34, 660,538.60 and 136,683.79 is: 205,054.89
Step by Step Solution
- Step 1: Write the proportion equation
440,296.34 : 660,538.60 = 136,683.79 : x - Step 2: Convert to fraction form
440,296.34/660,538.60 = 136,683.79/x - Step 3: Cross multiply
440,296.34x = 660,538.60 × 136,683.79 - Step 4: Simplify right side
440,296.34x = 90,284,917,296.24 - Step 5: Solve for x
x = 90,284,917,296.24/440,296.34 - Step 6: Final answer
x = 205,054.89
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1.5x scale
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.