Finding the Fourth Proportional to 283,230.42, 390,980.43 and 202,517.70
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Solution
The fourth proportional to 283,230.42, 390,980.43 and 202,517.70 is: 279,561.98
Step by Step Solution
- Step 1: Write the proportion equation
283,230.42 : 390,980.43 = 202,517.70 : x - Step 2: Convert to fraction form
283,230.42/390,980.43 = 202,517.70/x - Step 3: Cross multiply
283,230.42x = 390,980.43 × 202,517.70 - Step 4: Simplify right side
283,230.42x = 79,180,457,428.61 - Step 5: Solve for x
x = 79,180,457,428.61/283,230.42 - Step 6: Final answer
x = 279,561.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.