Finding the Fourth Proportional to 356,934.64, 534,687.98 and 214,701.42
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Solution
The fourth proportional to 356,934.64, 534,687.98 and 214,701.42 is: 321,622.65
Step by Step Solution
- Step 1: Write the proportion equation
356,934.64 : 534,687.98 = 214,701.42 : x - Step 2: Convert to fraction form
356,934.64/534,687.98 = 214,701.42/x - Step 3: Cross multiply
356,934.64x = 534,687.98 × 214,701.42 - Step 4: Simplify right side
356,934.64x = 114,798,264,815.99 - Step 5: Solve for x
x = 114,798,264,815.99/356,934.64 - Step 6: Final answer
x = 321,622.65
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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.