Finding the Fourth Proportional to 396,355.26, 546,970.66 and 226,593.02
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Solution
The fourth proportional to 396,355.26, 546,970.66 and 226,593.02 is: 312,698.60
Step by Step Solution
- Step 1: Write the proportion equation
396,355.26 : 546,970.66 = 226,593.02 : x - Step 2: Convert to fraction form
396,355.26/546,970.66 = 226,593.02/x - Step 3: Cross multiply
396,355.26x = 546,970.66 × 226,593.02 - Step 4: Simplify right side
396,355.26x = 123,939,733,700.79 - Step 5: Solve for x
x = 123,939,733,700.79/396,355.26 - Step 6: Final answer
x = 312,698.60
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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.