Finding the Fourth Proportional to 153,119.93, 211,299.97 and 84,208.80
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Solution
The fourth proportional to 153,119.93, 211,299.97 and 84,208.80 is: 116,205.10
Step by Step Solution
- Step 1: Write the proportion equation
153,119.93 : 211,299.97 = 84,208.80 : x - Step 2: Convert to fraction form
153,119.93/211,299.97 = 84,208.80/x - Step 3: Cross multiply
153,119.93x = 211,299.97 × 84,208.80 - Step 4: Simplify right side
153,119.93x = 17,793,315,436.19 - Step 5: Solve for x
x = 17,793,315,436.19/153,119.93 - Step 6: Final answer
x = 116,205.10
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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.