Finding the Fourth Proportional to 370,331.80, 555,497.70 and 89,849.05
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Solution
The fourth proportional to 370,331.80, 555,497.70 and 89,849.05 is: 134,773.58
Step by Step Solution
- Step 1: Write the proportion equation
370,331.80 : 555,497.70 = 89,849.05 : x - Step 2: Convert to fraction form
370,331.80/555,497.70 = 89,849.05/x - Step 3: Cross multiply
370,331.80x = 555,497.70 × 89,849.05 - Step 4: Simplify right side
370,331.80x = 49,910,940,622.19 - Step 5: Solve for x
x = 49,910,940,622.19/370,331.80 - Step 6: Final answer
x = 134,773.58
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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.