Finding the Fourth Proportional to 421,937.93, 582,269.61 and 230,949.05
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Solution
The fourth proportional to 421,937.93, 582,269.61 and 230,949.05 is: 318,707.09
Step by Step Solution
- Step 1: Write the proportion equation
421,937.93 : 582,269.61 = 230,949.05 : x - Step 2: Convert to fraction form
421,937.93/582,269.61 = 230,949.05/x - Step 3: Cross multiply
421,937.93x = 582,269.61 × 230,949.05 - Step 4: Simplify right side
421,937.93x = 134,474,610,362.02 - Step 5: Solve for x
x = 134,474,610,362.02/421,937.93 - Step 6: Final answer
x = 318,707.09
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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.