Finding the Fourth Proportional to 371,756.88, 513,029.16 and 201,993.84
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Solution
The fourth proportional to 371,756.88, 513,029.16 and 201,993.84 is: 278,754.03
Step by Step Solution
- Step 1: Write the proportion equation
371,756.88 : 513,029.16 = 201,993.84 : x - Step 2: Convert to fraction form
371,756.88/513,029.16 = 201,993.84/x - Step 3: Cross multiply
371,756.88x = 513,029.16 × 201,993.84 - Step 4: Simplify right side
371,756.88x = 103,628,730,060.37 - Step 5: Solve for x
x = 103,628,730,060.37/371,756.88 - Step 6: Final answer
x = 278,754.03
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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.