Finding the Fourth Proportional to 371,560.91, 512,785.67 and 210,444.62
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Solution
The fourth proportional to 371,560.91, 512,785.67 and 210,444.62 is: 290,431.48
Step by Step Solution
- Step 1: Write the proportion equation
371,560.91 : 512,785.67 = 210,444.62 : x - Step 2: Convert to fraction form
371,560.91/512,785.67 = 210,444.62/x - Step 3: Cross multiply
371,560.91x = 512,785.67 × 210,444.62 - Step 4: Simplify right side
371,560.91x = 107,912,985,464.60 - Step 5: Solve for x
x = 107,912,985,464.60/371,560.91 - Step 6: Final answer
x = 290,431.48
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1.5x scale
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.