Finding the Fourth Proportional to 371,496.63, 512,671.74 and 201,730.75
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Solution
The fourth proportional to 371,496.63, 512,671.74 and 201,730.75 is: 278,391.91
Step by Step Solution
- Step 1: Write the proportion equation
371,496.63 : 512,671.74 = 201,730.75 : x - Step 2: Convert to fraction form
371,496.63/512,671.74 = 201,730.75/x - Step 3: Cross multiply
371,496.63x = 512,671.74 × 201,730.75 - Step 4: Simplify right side
371,496.63x = 103,421,654,614.01 - Step 5: Solve for x
x = 103,421,654,614.01/371,496.63 - Step 6: Final answer
x = 278,391.91
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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.