Finding the Fourth Proportional to 421,927.70, 582,265.70 and 230,936.99
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Solution
The fourth proportional to 421,927.70, 582,265.70 and 230,936.99 is: 318,696.04
Step by Step Solution
- Step 1: Write the proportion equation
421,927.70 : 582,265.70 = 230,936.99 : x - Step 2: Convert to fraction form
421,927.70/582,265.70 = 230,936.99/x - Step 3: Cross multiply
421,927.70x = 582,265.70 × 230,936.99 - Step 4: Simplify right side
421,927.70x = 134,466,684,072.23 - Step 5: Solve for x
x = 134,466,684,072.23/421,927.70 - Step 6: Final answer
x = 318,696.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.