Finding the Fourth Proportional to 311,477.72, 467,337.80 and 124,542.68
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Solution
The fourth proportional to 311,477.72, 467,337.80 and 124,542.68 is: 186,862.49
Step by Step Solution
- Step 1: Write the proportion equation
311,477.72 : 467,337.80 = 124,542.68 : x - Step 2: Convert to fraction form
311,477.72/467,337.80 = 124,542.68/x - Step 3: Cross multiply
311,477.72x = 467,337.80 × 124,542.68 - Step 4: Simplify right side
311,477.72x = 58,203,502,077.30 - Step 5: Solve for x
x = 58,203,502,077.30/311,477.72 - Step 6: Final answer
x = 186,862.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.