Finding the Fourth Proportional to 403,193.68, 556,406.76 and 250,174.96
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Solution
The fourth proportional to 403,193.68, 556,406.76 and 250,174.96 is: 345,241.12
Step by Step Solution
- Step 1: Write the proportion equation
403,193.68 : 556,406.76 = 250,174.96 : x - Step 2: Convert to fraction form
403,193.68/556,406.76 = 250,174.96/x - Step 3: Cross multiply
403,193.68x = 556,406.76 × 250,174.96 - Step 4: Simplify right side
403,193.68x = 139,199,038,926.73 - Step 5: Solve for x
x = 139,199,038,926.73/403,193.68 - Step 6: Final answer
x = 345,241.12
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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.