Finding the Fourth Proportional to 370,651.05, 555,765.91 and 145,889.66
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Solution
The fourth proportional to 370,651.05, 555,765.91 and 145,889.66 is: 218,751.57
Step by Step Solution
- Step 1: Write the proportion equation
370,651.05 : 555,765.91 = 145,889.66 : x - Step 2: Convert to fraction form
370,651.05/555,765.91 = 145,889.66/x - Step 3: Cross multiply
370,651.05x = 555,765.91 × 145,889.66 - Step 4: Simplify right side
370,651.05x = 81,080,500,674.18 - Step 5: Solve for x
x = 81,080,500,674.18/370,651.05 - Step 6: Final answer
x = 218,751.57
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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.