Finding the Fourth Proportional to 307,418.42, 461,284.44 and 207,368.94
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Solution
The fourth proportional to 307,418.42, 461,284.44 and 207,368.94 is: 311,159.19
Step by Step Solution
- Step 1: Write the proportion equation
307,418.42 : 461,284.44 = 207,368.94 : x - Step 2: Convert to fraction form
307,418.42/461,284.44 = 207,368.94/x - Step 3: Cross multiply
307,418.42x = 461,284.44 × 207,368.94 - Step 4: Simplify right side
307,418.42x = 95,656,065,361.29 - Step 5: Solve for x
x = 95,656,065,361.29/307,418.42 - Step 6: Final answer
x = 311,159.19
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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.