Finding the Fourth Proportional to 356,685.15, 534,872.13 and 134,913.63
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Solution
The fourth proportional to 356,685.15, 534,872.13 and 134,913.63 is: 202,311.59
Step by Step Solution
- Step 1: Write the proportion equation
356,685.15 : 534,872.13 = 134,913.63 : x - Step 2: Convert to fraction form
356,685.15/534,872.13 = 134,913.63/x - Step 3: Cross multiply
356,685.15x = 534,872.13 × 134,913.63 - Step 4: Simplify right side
356,685.15x = 72,161,540,644.13 - Step 5: Solve for x
x = 72,161,540,644.13/356,685.15 - Step 6: Final answer
x = 202,311.59
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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.