Finding the Fourth Proportional to 371,553.44, 512,749.68 and 201,787.56
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Solution
The fourth proportional to 371,553.44, 512,749.68 and 201,787.56 is: 278,470.05
Step by Step Solution
- Step 1: Write the proportion equation
371,553.44 : 512,749.68 = 201,787.56 : x - Step 2: Convert to fraction form
371,553.44/512,749.68 = 201,787.56/x - Step 3: Cross multiply
371,553.44x = 512,749.68 × 201,787.56 - Step 4: Simplify right side
371,553.44x = 103,466,506,817.98 - Step 5: Solve for x
x = 103,466,506,817.98/371,553.44 - Step 6: Final answer
x = 278,470.05
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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.