Finding the Fourth Proportional to 180,239.22, 248,725.17 and 99,664.05
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Solution
The fourth proportional to 180,239.22, 248,725.17 and 99,664.05 is: 137,533.65
Step by Step Solution
- Step 1: Write the proportion equation
180,239.22 : 248,725.17 = 99,664.05 : x - Step 2: Convert to fraction form
180,239.22/248,725.17 = 99,664.05/x - Step 3: Cross multiply
180,239.22x = 248,725.17 × 99,664.05 - Step 4: Simplify right side
180,239.22x = 24,788,957,779.14 - Step 5: Solve for x
x = 24,788,957,779.14/180,239.22 - Step 6: Final answer
x = 137,533.65
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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.