Finding the Fourth Proportional to 827,457.28, 1,241,161.12 and 228,455
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Solution
The fourth proportional to 827,457.28, 1,241,161.12 and 228,455 is: 342,675.65
Step by Step Solution
- Step 1: Write the proportion equation
827,457.28 : 1,241,161.12 = 228,455 : x - Step 2: Convert to fraction form
827,457.28/1,241,161.12 = 228,455/x - Step 3: Cross multiply
827,457.28x = 1,241,161.12 × 228,455 - Step 4: Simplify right side
827,457.28x = 283,549,463,669.60 - Step 5: Solve for x
x = 283,549,463,669.60/827,457.28 - Step 6: Final answer
x = 342,675.65
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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.