Finding the Fourth Proportional to 400,016.23, 552,161.40 and 230,317.99
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Solution
The fourth proportional to 400,016.23, 552,161.40 and 230,317.99 is: 317,918.86
Step by Step Solution
- Step 1: Write the proportion equation
400,016.23 : 552,161.40 = 230,317.99 : x - Step 2: Convert to fraction form
400,016.23/552,161.40 = 230,317.99/x - Step 3: Cross multiply
400,016.23x = 552,161.40 × 230,317.99 - Step 4: Simplify right side
400,016.23x = 127,172,701,961.79 - Step 5: Solve for x
x = 127,172,701,961.79/400,016.23 - Step 6: Final answer
x = 317,918.86
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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.