Finding the Fourth Proportional to 396,422.91, 594,455.74 and 236,572.65
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Solution
The fourth proportional to 396,422.91, 594,455.74 and 236,572.65 is: 354,752.38
Step by Step Solution
- Step 1: Write the proportion equation
396,422.91 : 594,455.74 = 236,572.65 : x - Step 2: Convert to fraction form
396,422.91/594,455.74 = 236,572.65/x - Step 3: Cross multiply
396,422.91x = 594,455.74 × 236,572.65 - Step 4: Simplify right side
396,422.91x = 140,631,969,128.08 - Step 5: Solve for x
x = 140,631,969,128.08/396,422.91 - Step 6: Final answer
x = 354,752.38
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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.