Finding the Fourth Proportional to 133,502.70, 184,202.77 and 79,027.44
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Solution
The fourth proportional to 133,502.70, 184,202.77 and 79,027.44 is: 109,039.53
Step by Step Solution
- Step 1: Write the proportion equation
133,502.70 : 184,202.77 = 79,027.44 : x - Step 2: Convert to fraction form
133,502.70/184,202.77 = 79,027.44/x - Step 3: Cross multiply
133,502.70x = 184,202.77 × 79,027.44 - Step 4: Simplify right side
133,502.70x = 14,557,072,528.00 - Step 5: Solve for x
x = 14,557,072,528.00/133,502.70 - Step 6: Final answer
x = 109,039.53
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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.