Finding the Fourth Proportional to 371,794.50, 513,075.38 and 202,028.58
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Solution
The fourth proportional to 371,794.50, 513,075.38 and 202,028.58 is: 278,798.88
Step by Step Solution
- Step 1: Write the proportion equation
371,794.50 : 513,075.38 = 202,028.58 : x - Step 2: Convert to fraction form
371,794.50/513,075.38 = 202,028.58/x - Step 3: Cross multiply
371,794.50x = 513,075.38 × 202,028.58 - Step 4: Simplify right side
371,794.50x = 103,655,889,444.22 - Step 5: Solve for x
x = 103,655,889,444.22/371,794.50 - Step 6: Final answer
x = 278,798.88
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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.