Finding the Fourth Proportional to 272,879.62, 409,310.18 and 83,332.32
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Solution
The fourth proportional to 272,879.62, 409,310.18 and 83,332.32 is: 124,995.66
Step by Step Solution
- Step 1: Write the proportion equation
272,879.62 : 409,310.18 = 83,332.32 : x - Step 2: Convert to fraction form
272,879.62/409,310.18 = 83,332.32/x - Step 3: Cross multiply
272,879.62x = 409,310.18 × 83,332.32 - Step 4: Simplify right side
272,879.62x = 34,108,766,899.02 - Step 5: Solve for x
x = 34,108,766,899.02/272,879.62 - Step 6: Final answer
x = 124,995.66
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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.