Finding the Fourth Proportional to 355,251.10, 532,876.65 and 256,107.10
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Solution
The fourth proportional to 355,251.10, 532,876.65 and 256,107.10 is: 384,160.65
Step by Step Solution
- Step 1: Write the proportion equation
355,251.10 : 532,876.65 = 256,107.10 : x - Step 2: Convert to fraction form
355,251.10/532,876.65 = 256,107.10/x - Step 3: Cross multiply
355,251.10x = 532,876.65 × 256,107.10 - Step 4: Simplify right side
355,251.10x = 136,473,493,489.22 - Step 5: Solve for x
x = 136,473,493,489.22/355,251.10 - Step 6: Final answer
x = 384,160.65
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1.5x scale
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.