Finding the Fourth Proportional to 150,549.39, 207,236.70 and 130,122.14
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Solution
The fourth proportional to 150,549.39, 207,236.70 and 130,122.14 is: 179,117.84
Step by Step Solution
- Step 1: Write the proportion equation
150,549.39 : 207,236.70 = 130,122.14 : x - Step 2: Convert to fraction form
150,549.39/207,236.70 = 130,122.14/x - Step 3: Cross multiply
150,549.39x = 207,236.70 × 130,122.14 - Step 4: Simplify right side
150,549.39x = 26,966,081,854.35 - Step 5: Solve for x
x = 26,966,081,854.35/150,549.39 - Step 6: Final answer
x = 179,117.84
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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.