Finding the Fourth Proportional to 371,318.06, 512,421.18 and 201,553.40
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Solution
The fourth proportional to 371,318.06, 512,421.18 and 201,553.40 is: 278,144.92
Step by Step Solution
- Step 1: Write the proportion equation
371,318.06 : 512,421.18 = 201,553.40 : x - Step 2: Convert to fraction form
371,318.06/512,421.18 = 201,553.40/x - Step 3: Cross multiply
371,318.06x = 512,421.18 × 201,553.40 - Step 4: Simplify right side
371,318.06x = 103,280,231,061.01 - Step 5: Solve for x
x = 103,280,231,061.01/371,318.06 - Step 6: Final answer
x = 278,144.92
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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.