Finding the Fourth Proportional to 299,754.24, 449,853.12 and 141,983.52
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Solution
The fourth proportional to 299,754.24, 449,853.12 and 141,983.52 is: 213,080.32
Step by Step Solution
- Step 1: Write the proportion equation
299,754.24 : 449,853.12 = 141,983.52 : x - Step 2: Convert to fraction form
299,754.24/449,853.12 = 141,983.52/x - Step 3: Cross multiply
299,754.24x = 449,853.12 × 141,983.52 - Step 4: Simplify right side
299,754.24x = 63,871,729,460.58 - Step 5: Solve for x
x = 63,871,729,460.58/299,754.24 - Step 6: Final answer
x = 213,080.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.