Finding the Fourth Proportional to 767,520.21, 1,151,335.64 and 234,972.01
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Solution
The fourth proportional to 767,520.21, 1,151,335.64 and 234,972.01 is: 352,474.95
Step by Step Solution
- Step 1: Write the proportion equation
767,520.21 : 1,151,335.64 = 234,972.01 : x - Step 2: Convert to fraction form
767,520.21/1,151,335.64 = 234,972.01/x - Step 3: Cross multiply
767,520.21x = 1,151,335.64 × 234,972.01 - Step 4: Simplify right side
767,520.21x = 270,531,649,515.44 - Step 5: Solve for x
x = 270,531,649,515.44/767,520.21 - Step 6: Final answer
x = 352,474.95
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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.