Finding the Fourth Proportional to 370,268.92, 555,405.18 and 89,786.08
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Solution
The fourth proportional to 370,268.92, 555,405.18 and 89,786.08 is: 134,679.56
Step by Step Solution
- Step 1: Write the proportion equation
370,268.92 : 555,405.18 = 89,786.08 : x - Step 2: Convert to fraction form
370,268.92/555,405.18 = 89,786.08/x - Step 3: Cross multiply
370,268.92x = 555,405.18 × 89,786.08 - Step 4: Simplify right side
370,268.92x = 49,867,653,923.89 - Step 5: Solve for x
x = 49,867,653,923.89/370,268.92 - Step 6: Final answer
x = 134,679.56
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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.