Finding the Fourth Proportional to 421,937.05, 582,157.98 and 240,582.84
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Solution
The fourth proportional to 421,937.05, 582,157.98 and 240,582.84 is: 331,938.66
Step by Step Solution
- Step 1: Write the proportion equation
421,937.05 : 582,157.98 = 240,582.84 : x - Step 2: Convert to fraction form
421,937.05/582,157.98 = 240,582.84/x - Step 3: Cross multiply
421,937.05x = 582,157.98 × 240,582.84 - Step 4: Simplify right side
421,937.05x = 140,057,220,157.06 - Step 5: Solve for x
x = 140,057,220,157.06/421,937.05 - Step 6: Final answer
x = 331,938.66
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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.