Finding the Fourth Proportional to 637,198.44, 879,334.08 and 350,716.48
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Solution
The fourth proportional to 637,198.44, 879,334.08 and 350,716.48 is: 483,988.87
Step by Step Solution
- Step 1: Write the proportion equation
637,198.44 : 879,334.08 = 350,716.48 : x - Step 2: Convert to fraction form
637,198.44/879,334.08 = 350,716.48/x - Step 3: Cross multiply
637,198.44x = 879,334.08 × 350,716.48 - Step 4: Simplify right side
637,198.44x = 308,396,953,281.64 - Step 5: Solve for x
x = 308,396,953,281.64/637,198.44 - Step 6: Final answer
x = 483,988.87
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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.