Finding the Fourth Proportional to 446,782.06, 616,565.49 and 242,832.92
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Solution
The fourth proportional to 446,782.06, 616,565.49 and 242,832.92 is: 335,112.82
Step by Step Solution
- Step 1: Write the proportion equation
446,782.06 : 616,565.49 = 242,832.92 : x - Step 2: Convert to fraction form
446,782.06/616,565.49 = 242,832.92/x - Step 3: Cross multiply
446,782.06x = 616,565.49 × 242,832.92 - Step 4: Simplify right side
446,782.06x = 149,722,395,470.54 - Step 5: Solve for x
x = 149,722,395,470.54/446,782.06 - Step 6: Final answer
x = 335,112.82
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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.