Finding the Fourth Proportional to 394,555.35, 544,486.05 and 213,267.28
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Solution
The fourth proportional to 394,555.35, 544,486.05 and 213,267.28 is: 294,308.66
Step by Step Solution
- Step 1: Write the proportion equation
394,555.35 : 544,486.05 = 213,267.28 : x - Step 2: Convert to fraction form
394,555.35/544,486.05 = 213,267.28/x - Step 3: Cross multiply
394,555.35x = 544,486.05 × 213,267.28 - Step 4: Simplify right side
394,555.35x = 116,121,058,541.14 - Step 5: Solve for x
x = 116,121,058,541.14/394,555.35 - Step 6: Final answer
x = 294,308.66
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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.