Finding the Fourth Proportional to 439,855.21, 606,983.63 and 248,872.70
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Solution
The fourth proportional to 439,855.21, 606,983.63 and 248,872.70 is: 343,434.96
Step by Step Solution
- Step 1: Write the proportion equation
439,855.21 : 606,983.63 = 248,872.70 : x - Step 2: Convert to fraction form
439,855.21/606,983.63 = 248,872.70/x - Step 3: Cross multiply
439,855.21x = 606,983.63 × 248,872.70 - Step 4: Simplify right side
439,855.21x = 151,061,655,127.00 - Step 5: Solve for x
x = 151,061,655,127.00/439,855.21 - Step 6: Final answer
x = 343,434.96
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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.