Finding the Fourth Proportional to 150,184.71, 207,243.09 and 86,527.62
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Solution
The fourth proportional to 150,184.71, 207,243.09 and 86,527.62 is: 119,401.31
Step by Step Solution
- Step 1: Write the proportion equation
150,184.71 : 207,243.09 = 86,527.62 : x - Step 2: Convert to fraction form
150,184.71/207,243.09 = 86,527.62/x - Step 3: Cross multiply
150,184.71x = 207,243.09 × 86,527.62 - Step 4: Simplify right side
150,184.71x = 17,932,251,339.15 - Step 5: Solve for x
x = 17,932,251,339.15/150,184.71 - Step 6: Final answer
x = 119,401.31
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1.5x scale
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.