Finding the Fourth Proportional to 150,541.36, 207,756.27 and 86,883.26
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Solution
The fourth proportional to 150,541.36, 207,756.27 and 86,883.26 is: 119,904.20
Step by Step Solution
- Step 1: Write the proportion equation
150,541.36 : 207,756.27 = 86,883.26 : x - Step 2: Convert to fraction form
150,541.36/207,756.27 = 86,883.26/x - Step 3: Cross multiply
150,541.36x = 207,756.27 × 86,883.26 - Step 4: Simplify right side
150,541.36x = 18,050,540,984.26 - Step 5: Solve for x
x = 18,050,540,984.26/150,541.36 - Step 6: Final answer
x = 119,904.20
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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.