Finding the Fourth Proportional to 276,361.44, 413,877.84 and 157,672.95
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Solution
The fourth proportional to 276,361.44, 413,877.84 and 157,672.95 is: 236,130.40
Step by Step Solution
- Step 1: Write the proportion equation
276,361.44 : 413,877.84 = 157,672.95 : x - Step 2: Convert to fraction form
276,361.44/413,877.84 = 157,672.95/x - Step 3: Cross multiply
276,361.44x = 413,877.84 × 157,672.95 - Step 4: Simplify right side
276,361.44x = 65,257,337,829.11 - Step 5: Solve for x
x = 65,257,337,829.11/276,361.44 - Step 6: Final answer
x = 236,130.40
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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.