Finding the Fourth Proportional to 371,954.76, 513,297.16 and 202,190.12
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Solution
The fourth proportional to 371,954.76, 513,297.16 and 202,190.12 is: 279,022.14
Step by Step Solution
- Step 1: Write the proportion equation
371,954.76 : 513,297.16 = 202,190.12 : x - Step 2: Convert to fraction form
371,954.76/513,297.16 = 202,190.12/x - Step 3: Cross multiply
371,954.76x = 513,297.16 × 202,190.12 - Step 4: Simplify right side
371,954.76x = 103,783,614,376.06 - Step 5: Solve for x
x = 103,783,614,376.06/371,954.76 - Step 6: Final answer
x = 279,022.14
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1.5x scale
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.