Finding the Fourth Proportional to 232,207.36, 320,449.60 and 135,408.53
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Solution
The fourth proportional to 232,207.36, 320,449.60 and 135,408.53 is: 186,865.77
Step by Step Solution
- Step 1: Write the proportion equation
232,207.36 : 320,449.60 = 135,408.53 : x - Step 2: Convert to fraction form
232,207.36/320,449.60 = 135,408.53/x - Step 3: Cross multiply
232,207.36x = 320,449.60 × 135,408.53 - Step 4: Simplify right side
232,207.36x = 43,391,607,334.32 - Step 5: Solve for x
x = 43,391,607,334.32/232,207.36 - Step 6: Final answer
x = 186,865.77
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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.