Finding the Fourth Proportional to 371,303.01, 512,400.78 and 201,537.12
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Solution
The fourth proportional to 371,303.01, 512,400.78 and 201,537.12 is: 278,122.65
Step by Step Solution
- Step 1: Write the proportion equation
371,303.01 : 512,400.78 = 201,537.12 : x - Step 2: Convert to fraction form
371,303.01/512,400.78 = 201,537.12/x - Step 3: Cross multiply
371,303.01x = 512,400.78 × 201,537.12 - Step 4: Simplify right side
371,303.01x = 103,267,777,486.95 - Step 5: Solve for x
x = 103,267,777,486.95/371,303.01 - Step 6: Final answer
x = 278,122.65
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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.