Finding the Fourth Proportional to 506,419.21, 759,629.58 and 206,900.08
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Solution
The fourth proportional to 506,419.21, 759,629.58 and 206,900.08 is: 310,350.44
Step by Step Solution
- Step 1: Write the proportion equation
506,419.21 : 759,629.58 = 206,900.08 : x - Step 2: Convert to fraction form
506,419.21/759,629.58 = 206,900.08/x - Step 3: Cross multiply
506,419.21x = 759,629.58 × 206,900.08 - Step 4: Simplify right side
506,419.21x = 157,167,424,411.42 - Step 5: Solve for x
x = 157,167,424,411.42/506,419.21 - Step 6: Final answer
x = 310,350.44
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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.