Finding the Fourth Proportional to 336,993.12, 465,075.12 and 193,798.08
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Solution
The fourth proportional to 336,993.12, 465,075.12 and 193,798.08 is: 267,455.51
Step by Step Solution
- Step 1: Write the proportion equation
336,993.12 : 465,075.12 = 193,798.08 : x - Step 2: Convert to fraction form
336,993.12/465,075.12 = 193,798.08/x - Step 3: Cross multiply
336,993.12x = 465,075.12 × 193,798.08 - Step 4: Simplify right side
336,993.12x = 90,130,665,311.77 - Step 5: Solve for x
x = 90,130,665,311.77/336,993.12 - Step 6: Final answer
x = 267,455.51
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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.