Finding the Fourth Proportional to 357,557.28, 493,374.24 and 206,625.12
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Solution
The fourth proportional to 357,557.28, 493,374.24 and 206,625.12 is: 285,110.99
Step by Step Solution
- Step 1: Write the proportion equation
357,557.28 : 493,374.24 = 206,625.12 : x - Step 2: Convert to fraction form
357,557.28/493,374.24 = 206,625.12/x - Step 3: Cross multiply
357,557.28x = 493,374.24 × 206,625.12 - Step 4: Simplify right side
357,557.28x = 101,943,511,544.91 - Step 5: Solve for x
x = 101,943,511,544.91/357,557.28 - Step 6: Final answer
x = 285,110.99
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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.