Finding the Fourth Proportional to 427,108.98, 589,422.69 and 236,134.65
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Solution
The fourth proportional to 427,108.98, 589,422.69 and 236,134.65 is: 325,872.62
Step by Step Solution
- Step 1: Write the proportion equation
427,108.98 : 589,422.69 = 236,134.65 : x - Step 2: Convert to fraction form
427,108.98/589,422.69 = 236,134.65/x - Step 3: Cross multiply
427,108.98x = 589,422.69 × 236,134.65 - Step 4: Simplify right side
427,108.98x = 139,183,120,605.21 - Step 5: Solve for x
x = 139,183,120,605.21/427,108.98 - Step 6: Final answer
x = 325,872.62
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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.