Finding the Fourth Proportional to 232,745.58, 321,207.57 and 135,980.55
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Solution
The fourth proportional to 232,745.58, 321,207.57 and 135,980.55 is: 187,664.07
Step by Step Solution
- Step 1: Write the proportion equation
232,745.58 : 321,207.57 = 135,980.55 : x - Step 2: Convert to fraction form
232,745.58/321,207.57 = 135,980.55/x - Step 3: Cross multiply
232,745.58x = 321,207.57 × 135,980.55 - Step 4: Simplify right side
232,745.58x = 43,677,982,032.76 - Step 5: Solve for x
x = 43,677,982,032.76/232,745.58 - Step 6: Final answer
x = 187,664.07
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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.