Finding the Fourth Proportional to 459,292.12, 688,804.26 and 178,742.68
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Solution
The fourth proportional to 459,292.12, 688,804.26 and 178,742.68 is: 268,061.90
Step by Step Solution
- Step 1: Write the proportion equation
459,292.12 : 688,804.26 = 178,742.68 : x - Step 2: Convert to fraction form
459,292.12/688,804.26 = 178,742.68/x - Step 3: Cross multiply
459,292.12x = 688,804.26 × 178,742.68 - Step 4: Simplify right side
459,292.12x = 123,118,719,427.82 - Step 5: Solve for x
x = 123,118,719,427.82/459,292.12 - Step 6: Final answer
x = 268,061.90
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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.