Finding the Fourth Proportional to 827,703.21, 1,241,542.51 and 228,651.10
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Solution
The fourth proportional to 827,703.21, 1,241,542.51 and 228,651.10 is: 342,973.26
Step by Step Solution
- Step 1: Write the proportion equation
827,703.21 : 1,241,542.51 = 228,651.10 : x - Step 2: Convert to fraction form
827,703.21/1,241,542.51 = 228,651.10/x - Step 3: Cross multiply
827,703.21x = 1,241,542.51 × 228,651.10 - Step 4: Simplify right side
827,703.21x = 283,880,064,559.54 - Step 5: Solve for x
x = 283,880,064,559.54/827,703.21 - Step 6: Final answer
x = 342,973.26
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1.5x scale
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.