Finding the Fourth Proportional to 180,548.45, 249,139.48 and 107,936.99
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Solution
The fourth proportional to 180,548.45, 249,139.48 and 107,936.99 is: 148,942.66
Step by Step Solution
- Step 1: Write the proportion equation
180,548.45 : 249,139.48 = 107,936.99 : x - Step 2: Convert to fraction form
180,548.45/249,139.48 = 107,936.99/x - Step 3: Cross multiply
180,548.45x = 249,139.48 × 107,936.99 - Step 4: Simplify right side
180,548.45x = 26,891,365,561.37 - Step 5: Solve for x
x = 26,891,365,561.37/180,548.45 - Step 6: Final answer
x = 148,942.66
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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.