Finding the Fourth Proportional to 371,146.61, 512,188.28 and 201,380.74
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Solution
The fourth proportional to 371,146.61, 512,188.28 and 201,380.74 is: 277,908.65
Step by Step Solution
- Step 1: Write the proportion equation
371,146.61 : 512,188.28 = 201,380.74 : x - Step 2: Convert to fraction form
371,146.61/512,188.28 = 201,380.74/x - Step 3: Cross multiply
371,146.61x = 512,188.28 × 201,380.74 - Step 4: Simplify right side
371,146.61x = 103,144,853,313.53 - Step 5: Solve for x
x = 103,144,853,313.53/371,146.61 - Step 6: Final answer
x = 277,908.65
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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.