Finding the Fourth Proportional to 459,291.62, 688,803.51 and 178,742.18
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Solution
The fourth proportional to 459,291.62, 688,803.51 and 178,742.18 is: 268,061.15
Step by Step Solution
- Step 1: Write the proportion equation
459,291.62 : 688,803.51 = 178,742.18 : x - Step 2: Convert to fraction form
459,291.62/688,803.51 = 178,742.18/x - Step 3: Cross multiply
459,291.62x = 688,803.51 × 178,742.18 - Step 4: Simplify right side
459,291.62x = 123,118,240,969.05 - Step 5: Solve for x
x = 123,118,240,969.05/459,291.62 - Step 6: Final answer
x = 268,061.15
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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.