Finding the Fourth Proportional to 296,616.10, 409,331.44 and 160,651.66
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Solution
The fourth proportional to 296,616.10, 409,331.44 and 160,651.66 is: 221,699.95
Step by Step Solution
- Step 1: Write the proportion equation
296,616.10 : 409,331.44 = 160,651.66 : x - Step 2: Convert to fraction form
296,616.10/409,331.44 = 160,651.66/x - Step 3: Cross multiply
296,616.10x = 409,331.44 × 160,651.66 - Step 4: Simplify right side
296,616.10x = 65,759,775,326.19 - Step 5: Solve for x
x = 65,759,775,326.19/296,616.10 - Step 6: Final answer
x = 221,699.95
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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.