Finding the Fourth Proportional to 180,573.44, 249,232.82 and 120,146.63
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Solution
The fourth proportional to 180,573.44, 249,232.82 and 120,146.63 is: 165,829.94
Step by Step Solution
- Step 1: Write the proportion equation
180,573.44 : 249,232.82 = 120,146.63 : x - Step 2: Convert to fraction form
180,573.44/249,232.82 = 120,146.63/x - Step 3: Cross multiply
180,573.44x = 249,232.82 × 120,146.63 - Step 4: Simplify right side
180,573.44x = 29,944,481,561.50 - Step 5: Solve for x
x = 29,944,481,561.50/180,573.44 - Step 6: Final answer
x = 165,829.94
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1.5x scale
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.