Finding the Fourth Proportional to 371,281.29, 512,354.48 and 201,511.77
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Solution
The fourth proportional to 371,281.29, 512,354.48 and 201,511.77 is: 278,078.80
Step by Step Solution
- Step 1: Write the proportion equation
371,281.29 : 512,354.48 = 201,511.77 : x - Step 2: Convert to fraction form
371,281.29/512,354.48 = 201,511.77/x - Step 3: Cross multiply
371,281.29x = 512,354.48 × 201,511.77 - Step 4: Simplify right side
371,281.29x = 103,245,457,124.67 - Step 5: Solve for x
x = 103,245,457,124.67/371,281.29 - Step 6: Final answer
x = 278,078.80
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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.