Finding the Fourth Proportional to 459,453.08, 688,729.68 and 257,147.99
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Solution
The fourth proportional to 459,453.08, 688,729.68 and 257,147.99 is: 385,470.16
Step by Step Solution
- Step 1: Write the proportion equation
459,453.08 : 688,729.68 = 257,147.99 : x - Step 2: Convert to fraction form
459,453.08/688,729.68 = 257,147.99/x - Step 3: Cross multiply
459,453.08x = 688,729.68 × 257,147.99 - Step 4: Simplify right side
459,453.08x = 177,105,449,421.70 - Step 5: Solve for x
x = 177,105,449,421.70/459,453.08 - Step 6: Final answer
x = 385,470.16
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.