Finding the Fourth Proportional to 371,285.29, 512,359.99 and 201,515.77
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Solution
The fourth proportional to 371,285.29, 512,359.99 and 201,515.77 is: 278,084.32
Step by Step Solution
- Step 1: Write the proportion equation
371,285.29 : 512,359.99 = 201,515.77 : x - Step 2: Convert to fraction form
371,285.29/512,359.99 = 201,515.77/x - Step 3: Cross multiply
371,285.29x = 512,359.99 × 201,515.77 - Step 4: Simplify right side
371,285.29x = 103,248,617,902.04 - Step 5: Solve for x
x = 103,248,617,902.04/371,285.29 - Step 6: Final answer
x = 278,084.32
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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.