Finding the Fourth Proportional to 329,297.13, 454,430.79 and 178,394.13
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Solution
The fourth proportional to 329,297.13, 454,430.79 and 178,394.13 is: 246,184.31
Step by Step Solution
- Step 1: Write the proportion equation
329,297.13 : 454,430.79 = 178,394.13 : x - Step 2: Convert to fraction form
329,297.13/454,430.79 = 178,394.13/x - Step 3: Cross multiply
329,297.13x = 454,430.79 × 178,394.13 - Step 4: Simplify right side
329,297.13x = 81,067,785,427.26 - Step 5: Solve for x
x = 81,067,785,427.26/329,297.13 - Step 6: Final answer
x = 246,184.31
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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.