Finding the Fourth Proportional to 356,936.10, 534,690.14 and 214,702.88
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Solution
The fourth proportional to 356,936.10, 534,690.14 and 214,702.88 is: 321,624.82
Step by Step Solution
- Step 1: Write the proportion equation
356,936.10 : 534,690.14 = 214,702.88 : x - Step 2: Convert to fraction form
356,936.10/534,690.14 = 214,702.88/x - Step 3: Cross multiply
356,936.10x = 534,690.14 × 214,702.88 - Step 4: Simplify right side
356,936.10x = 114,799,509,218.64 - Step 5: Solve for x
x = 114,799,509,218.64/356,936.10 - Step 6: Final answer
x = 321,624.82
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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.