Finding the Fourth Proportional to 349,927.80, 524,891.70 and 139,716.60
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Solution
The fourth proportional to 349,927.80, 524,891.70 and 139,716.60 is: 209,574.90
Step by Step Solution
- Step 1: Write the proportion equation
349,927.80 : 524,891.70 = 139,716.60 : x - Step 2: Convert to fraction form
349,927.80/524,891.70 = 139,716.60/x - Step 3: Cross multiply
349,927.80x = 524,891.70 × 139,716.60 - Step 4: Simplify right side
349,927.80x = 73,336,083,692.22 - Step 5: Solve for x
x = 73,336,083,692.22/349,927.80 - Step 6: Final answer
x = 209,574.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.