Finding the Fourth Proportional to 370,106.20, 555,157.36 and 89,623.44
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Solution
The fourth proportional to 370,106.20, 555,157.36 and 89,623.44 is: 134,434.69
Step by Step Solution
- Step 1: Write the proportion equation
370,106.20 : 555,157.36 = 89,623.44 : x - Step 2: Convert to fraction form
370,106.20/555,157.36 = 89,623.44/x - Step 3: Cross multiply
370,106.20x = 555,157.36 × 89,623.44 - Step 4: Simplify right side
370,106.20x = 49,755,112,344.52 - Step 5: Solve for x
x = 49,755,112,344.52/370,106.20 - Step 6: Final answer
x = 134,434.69
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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.