Finding the Fourth Proportional to 371,473.74, 512,629.29 and 201,709.08
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Solution
The fourth proportional to 371,473.74, 512,629.29 and 201,709.08 is: 278,356.10
Step by Step Solution
- Step 1: Write the proportion equation
371,473.74 : 512,629.29 = 201,709.08 : x - Step 2: Convert to fraction form
371,473.74/512,629.29 = 201,709.08/x - Step 3: Cross multiply
371,473.74x = 512,629.29 × 201,709.08 - Step 4: Simplify right side
371,473.74x = 103,401,982,466.95 - Step 5: Solve for x
x = 103,401,982,466.95/371,473.74 - Step 6: Final answer
x = 278,356.10
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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.