Finding the Fourth Proportional to 268,624.40, 403,122.90 and 202,204.40
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Solution
The fourth proportional to 268,624.40, 403,122.90 and 202,204.40 is: 303,446.84
Step by Step Solution
- Step 1: Write the proportion equation
268,624.40 : 403,122.90 = 202,204.40 : x - Step 2: Convert to fraction form
268,624.40/403,122.90 = 202,204.40/x - Step 3: Cross multiply
268,624.40x = 403,122.90 × 202,204.40 - Step 4: Simplify right side
268,624.40x = 81,513,224,120.76 - Step 5: Solve for x
x = 81,513,224,120.76/268,624.40 - Step 6: Final answer
x = 303,446.84
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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.