Finding the Fourth Proportional to 257,755.68, 386,509.32 and 201,453.12
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Solution
The fourth proportional to 257,755.68, 386,509.32 and 201,453.12 is: 302,082.61
Step by Step Solution
- Step 1: Write the proportion equation
257,755.68 : 386,509.32 = 201,453.12 : x - Step 2: Convert to fraction form
257,755.68/386,509.32 = 201,453.12/x - Step 3: Cross multiply
257,755.68x = 386,509.32 × 201,453.12 - Step 4: Simplify right side
257,755.68x = 77,863,508,423.08 - Step 5: Solve for x
x = 77,863,508,423.08/257,755.68 - Step 6: Final answer
x = 302,082.61
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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.