Finding the Fourth Proportional to 371,138.94, 512,177.67 and 201,373.05
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Solution
The fourth proportional to 371,138.94, 512,177.67 and 201,373.05 is: 277,898.03
Step by Step Solution
- Step 1: Write the proportion equation
371,138.94 : 512,177.67 = 201,373.05 : x - Step 2: Convert to fraction form
371,138.94/512,177.67 = 201,373.05/x - Step 3: Cross multiply
371,138.94x = 512,177.67 × 201,373.05 - Step 4: Simplify right side
371,138.94x = 103,138,779,549.79 - Step 5: Solve for x
x = 103,138,779,549.79/371,138.94 - Step 6: Final answer
x = 277,898.03
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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.