Finding the Fourth Proportional to 397,639.11, 595,489.10 and 302,767.05
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Solution
The fourth proportional to 397,639.11, 595,489.10 and 302,767.05 is: 453,412.33
Step by Step Solution
- Step 1: Write the proportion equation
397,639.11 : 595,489.10 = 302,767.05 : x - Step 2: Convert to fraction form
397,639.11/595,489.10 = 302,767.05/x - Step 3: Cross multiply
397,639.11x = 595,489.10 × 302,767.05 - Step 4: Simplify right side
397,639.11x = 180,294,476,600.32 - Step 5: Solve for x
x = 180,294,476,600.32/397,639.11 - Step 6: Final answer
x = 453,412.33
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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.