Finding the Fourth Proportional to 299,040.77, 412,686.18 and 163,082.13
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Solution
The fourth proportional to 299,040.77, 412,686.18 and 163,082.13 is: 225,058.75
Step by Step Solution
- Step 1: Write the proportion equation
299,040.77 : 412,686.18 = 163,082.13 : x - Step 2: Convert to fraction form
299,040.77/412,686.18 = 163,082.13/x - Step 3: Cross multiply
299,040.77x = 412,686.18 × 163,082.13 - Step 4: Simplify right side
299,040.77x = 67,301,741,255.96 - Step 5: Solve for x
x = 67,301,741,255.96/299,040.77 - Step 6: Final answer
x = 225,058.75
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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.