Finding the Fourth Proportional to 314,080.68, 470,941.98 and 214,361.58
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Solution
The fourth proportional to 314,080.68, 470,941.98 and 214,361.58 is: 321,420.17
Step by Step Solution
- Step 1: Write the proportion equation
314,080.68 : 470,941.98 = 214,361.58 : x - Step 2: Convert to fraction form
314,080.68/470,941.98 = 214,361.58/x - Step 3: Cross multiply
314,080.68x = 470,941.98 × 214,361.58 - Step 4: Simplify right side
314,080.68x = 100,951,866,921.13 - Step 5: Solve for x
x = 100,951,866,921.13/314,080.68 - Step 6: Final answer
x = 321,420.17
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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.