Finding the Fourth Proportional to 371,595.78, 512,804.88 and 201,829.95
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Solution
The fourth proportional to 371,595.78, 512,804.88 and 201,829.95 is: 278,526.80
Step by Step Solution
- Step 1: Write the proportion equation
371,595.78 : 512,804.88 = 201,829.95 : x - Step 2: Convert to fraction form
371,595.78/512,804.88 = 201,829.95/x - Step 3: Cross multiply
371,595.78x = 512,804.88 × 201,829.95 - Step 4: Simplify right side
371,595.78x = 103,499,383,290.16 - Step 5: Solve for x
x = 103,499,383,290.16/371,595.78 - Step 6: Final answer
x = 278,526.80
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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.