Finding the Fourth Proportional to 180,377.50, 248,920.14 and 103,868.68
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Solution
The fourth proportional to 180,377.50, 248,920.14 and 103,868.68 is: 143,338.31
Step by Step Solution
- Step 1: Write the proportion equation
180,377.50 : 248,920.14 = 103,868.68 : x - Step 2: Convert to fraction form
180,377.50/248,920.14 = 103,868.68/x - Step 3: Cross multiply
180,377.50x = 248,920.14 × 103,868.68 - Step 4: Simplify right side
180,377.50x = 25,855,006,367.22 - Step 5: Solve for x
x = 25,855,006,367.22/180,377.50 - Step 6: Final answer
x = 143,338.31
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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.