Finding the Fourth Proportional to 150,052.23, 207,049.05 and 86,377.68
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Solution
The fourth proportional to 150,052.23, 207,049.05 and 86,377.68 is: 119,187.94
Step by Step Solution
- Step 1: Write the proportion equation
150,052.23 : 207,049.05 = 86,377.68 : x - Step 2: Convert to fraction form
150,052.23/207,049.05 = 86,377.68/x - Step 3: Cross multiply
150,052.23x = 207,049.05 × 86,377.68 - Step 4: Simplify right side
150,052.23x = 17,884,416,585.20 - Step 5: Solve for x
x = 17,884,416,585.20/150,052.23 - Step 6: Final answer
x = 119,187.94
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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.