Finding the Fourth Proportional to 427,959.18, 591,198.84 and 341,805.05
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Solution
The fourth proportional to 427,959.18, 591,198.84 and 341,805.05 is: 472,182.30
Step by Step Solution
- Step 1: Write the proportion equation
427,959.18 : 591,198.84 = 341,805.05 : x - Step 2: Convert to fraction form
427,959.18/591,198.84 = 341,805.05/x - Step 3: Cross multiply
427,959.18x = 591,198.84 × 341,805.05 - Step 4: Simplify right side
427,959.18x = 202,074,749,066.14 - Step 5: Solve for x
x = 202,074,749,066.14/427,959.18 - Step 6: Final answer
x = 472,182.30
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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.