Finding the Fourth Proportional to 459,106.41, 688,633.70 and 143,526.09
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Solution
The fourth proportional to 459,106.41, 688,633.70 and 143,526.09 is: 215,281.03
Step by Step Solution
- Step 1: Write the proportion equation
459,106.41 : 688,633.70 = 143,526.09 : x - Step 2: Convert to fraction form
459,106.41/688,633.70 = 143,526.09/x - Step 3: Cross multiply
459,106.41x = 688,633.70 × 143,526.09 - Step 4: Simplify right side
459,106.41x = 98,836,901,685.60 - Step 5: Solve for x
x = 98,836,901,685.60/459,106.41 - Step 6: Final answer
x = 215,281.03
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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.