Finding the Fourth Proportional to 406,927.75, 610,391.63 and 157,609.75
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Solution
The fourth proportional to 406,927.75, 610,391.63 and 157,609.75 is: 236,414.63
Step by Step Solution
- Step 1: Write the proportion equation
406,927.75 : 610,391.63 = 157,609.75 : x - Step 2: Convert to fraction form
406,927.75/610,391.63 = 157,609.75/x - Step 3: Cross multiply
406,927.75x = 610,391.63 × 157,609.75 - Step 4: Simplify right side
406,927.75x = 96,203,672,206.39 - Step 5: Solve for x
x = 96,203,672,206.39/406,927.75 - Step 6: Final answer
x = 236,414.63
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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.