Finding the Fourth Proportional to 509,361.68, 764,195.30 and 205,599.53
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Solution
The fourth proportional to 509,361.68, 764,195.30 and 205,599.53 is: 308,460.96
Step by Step Solution
- Step 1: Write the proportion equation
509,361.68 : 764,195.30 = 205,599.53 : x - Step 2: Convert to fraction form
509,361.68/764,195.30 = 205,599.53/x - Step 3: Cross multiply
509,361.68x = 764,195.30 × 205,599.53 - Step 4: Simplify right side
509,361.68x = 157,118,194,508.21 - Step 5: Solve for x
x = 157,118,194,508.21/509,361.68 - Step 6: Final answer
x = 308,460.96
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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.