Finding the Fourth Proportional to 162,911.04, 224,823.60 and 91,291.68
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Solution
The fourth proportional to 162,911.04, 224,823.60 and 91,291.68 is: 125,986.09
Step by Step Solution
- Step 1: Write the proportion equation
162,911.04 : 224,823.60 = 91,291.68 : x - Step 2: Convert to fraction form
162,911.04/224,823.60 = 91,291.68/x - Step 3: Cross multiply
162,911.04x = 224,823.60 × 91,291.68 - Step 4: Simplify right side
162,911.04x = 20,524,524,147.65 - Step 5: Solve for x
x = 20,524,524,147.65/162,911.04 - Step 6: Final answer
x = 125,986.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.