Finding the Fourth Proportional to 658,164.26, 987,246.40 and 159,528.26
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Solution
The fourth proportional to 658,164.26, 987,246.40 and 159,528.26 is: 239,292.39
Step by Step Solution
- Step 1: Write the proportion equation
658,164.26 : 987,246.40 = 159,528.26 : x - Step 2: Convert to fraction form
658,164.26/987,246.40 = 159,528.26/x - Step 3: Cross multiply
658,164.26x = 987,246.40 × 159,528.26 - Step 4: Simplify right side
658,164.26x = 157,493,700,383.26 - Step 5: Solve for x
x = 157,493,700,383.26/658,164.26 - Step 6: Final answer
x = 239,292.39
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Double scale
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Similar ratio
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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.