Finding the Fourth Proportional to 406,045.36, 560,213.78 and 236,246.68
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Solution
The fourth proportional to 406,045.36, 560,213.78 and 236,246.68 is: 325,945.47
Step by Step Solution
- Step 1: Write the proportion equation
406,045.36 : 560,213.78 = 236,246.68 : x - Step 2: Convert to fraction form
406,045.36/560,213.78 = 236,246.68/x - Step 3: Cross multiply
406,045.36x = 560,213.78 × 236,246.68 - Step 4: Simplify right side
406,045.36x = 132,348,645,615.25 - Step 5: Solve for x
x = 132,348,645,615.25/406,045.36 - Step 6: Final answer
x = 325,945.47
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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.