Finding the Fourth Proportional to 328,857.06, 493,437.84 and 178,918.74
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Solution
The fourth proportional to 328,857.06, 493,437.84 and 178,918.74 is: 268,460.94
Step by Step Solution
- Step 1: Write the proportion equation
328,857.06 : 493,437.84 = 178,918.74 : x - Step 2: Convert to fraction form
328,857.06/493,437.84 = 178,918.74/x - Step 3: Cross multiply
328,857.06x = 493,437.84 × 178,918.74 - Step 4: Simplify right side
328,857.06x = 88,285,276,601.12 - Step 5: Solve for x
x = 88,285,276,601.12/328,857.06 - Step 6: Final answer
x = 268,460.94
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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.