Finding the Fourth Proportional to 86,357.63, 129,541.07 and 27,197.91
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Solution
The fourth proportional to 86,357.63, 129,541.07 and 27,197.91 is: 40,798.32
Step by Step Solution
- Step 1: Write the proportion equation
86,357.63 : 129,541.07 = 27,197.91 : x - Step 2: Convert to fraction form
86,357.63/129,541.07 = 27,197.91/x - Step 3: Cross multiply
86,357.63x = 129,541.07 × 27,197.91 - Step 4: Simplify right side
86,357.63x = 3,523,246,363.16 - Step 5: Solve for x
x = 3,523,246,363.16/86,357.63 - Step 6: Final answer
x = 40,798.32
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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.