Finding the Fourth Proportional to 463,163.85, 639,177.47 and 259,213.17
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Solution
The fourth proportional to 463,163.85, 639,177.47 and 259,213.17 is: 357,720.53
Step by Step Solution
- Step 1: Write the proportion equation
463,163.85 : 639,177.47 = 259,213.17 : x - Step 2: Convert to fraction form
463,163.85/639,177.47 = 259,213.17/x - Step 3: Cross multiply
463,163.85x = 639,177.47 × 259,213.17 - Step 4: Simplify right side
463,163.85x = 165,683,216,895.21 - Step 5: Solve for x
x = 165,683,216,895.21/463,163.85 - Step 6: Final answer
x = 357,720.53
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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.