Finding the Fourth Proportional to 371,785.96, 513,067.87 and 202,020.08
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Solution
The fourth proportional to 371,785.96, 513,067.87 and 202,020.08 is: 278,789.47
Step by Step Solution
- Step 1: Write the proportion equation
371,785.96 : 513,067.87 = 202,020.08 : x - Step 2: Convert to fraction form
371,785.96/513,067.87 = 202,020.08/x - Step 3: Cross multiply
371,785.96x = 513,067.87 × 202,020.08 - Step 4: Simplify right side
371,785.96x = 103,650,012,142.83 - Step 5: Solve for x
x = 103,650,012,142.83/371,785.96 - Step 6: Final answer
x = 278,789.47
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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.