Finding the Fourth Proportional to 180,180.88, 248,648.19 and 103,714.99
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Solution
The fourth proportional to 180,180.88, 248,648.19 and 103,714.99 is: 143,125.87
Step by Step Solution
- Step 1: Write the proportion equation
180,180.88 : 248,648.19 = 103,714.99 : x - Step 2: Convert to fraction form
180,180.88/248,648.19 = 103,714.99/x - Step 3: Cross multiply
180,180.88x = 248,648.19 × 103,714.99 - Step 4: Simplify right side
180,180.88x = 25,788,544,539.37 - Step 5: Solve for x
x = 25,788,544,539.37/180,180.88 - Step 6: Final answer
x = 143,125.87
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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.