Finding the Fourth Proportional to 449,647.29, 674,273.30 and 239,235.21
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Solution
The fourth proportional to 449,647.29, 674,273.30 and 239,235.21 is: 358,747.66
Step by Step Solution
- Step 1: Write the proportion equation
449,647.29 : 674,273.30 = 239,235.21 : x - Step 2: Convert to fraction form
449,647.29/674,273.30 = 239,235.21/x - Step 3: Cross multiply
449,647.29x = 674,273.30 × 239,235.21 - Step 4: Simplify right side
449,647.29x = 161,309,913,326.72 - Step 5: Solve for x
x = 161,309,913,326.72/449,647.29 - Step 6: Final answer
x = 358,747.66
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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.