Finding the Fourth Proportional to 658,242.68, 986,699.10 and 259,163.48
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Solution
The fourth proportional to 658,242.68, 986,699.10 and 259,163.48 is: 388,483.43
Step by Step Solution
- Step 1: Write the proportion equation
658,242.68 : 986,699.10 = 259,163.48 : x - Step 2: Convert to fraction form
658,242.68/986,699.10 = 259,163.48/x - Step 3: Cross multiply
658,242.68x = 986,699.10 × 259,163.48 - Step 4: Simplify right side
658,242.68x = 255,716,372,468.87 - Step 5: Solve for x
x = 255,716,372,468.87/658,242.68 - Step 6: Final answer
x = 388,483.43
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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.