Finding the Fourth Proportional to 406,958.26, 610,437.40 and 157,640.26
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Solution
The fourth proportional to 406,958.26, 610,437.40 and 157,640.26 is: 236,460.39
Step by Step Solution
- Step 1: Write the proportion equation
406,958.26 : 610,437.40 = 157,640.26 : x - Step 2: Convert to fraction form
406,958.26/610,437.40 = 157,640.26/x - Step 3: Cross multiply
406,958.26x = 610,437.40 × 157,640.26 - Step 4: Simplify right side
406,958.26x = 96,229,510,449.72 - Step 5: Solve for x
x = 96,229,510,449.72/406,958.26 - Step 6: Final answer
x = 236,460.39
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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.