Finding the Fourth Proportional to 449,555.77, 674,430.86 and 239,163.13
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Solution
The fourth proportional to 449,555.77, 674,430.86 and 239,163.13 is: 358,796.41
Step by Step Solution
- Step 1: Write the proportion equation
449,555.77 : 674,430.86 = 239,163.13 : x - Step 2: Convert to fraction form
449,555.77/674,430.86 = 239,163.13/x - Step 3: Cross multiply
449,555.77x = 674,430.86 × 239,163.13 - Step 4: Simplify right side
449,555.77x = 161,298,995,446.19 - Step 5: Solve for x
x = 161,298,995,446.19/449,555.77 - Step 6: Final answer
x = 358,796.41
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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.