Finding the Fourth Proportional to 328,995.36, 454,009.62 and 185,761.44
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Solution
The fourth proportional to 328,995.36, 454,009.62 and 185,761.44 is: 256,348.54
Step by Step Solution
- Step 1: Write the proportion equation
328,995.36 : 454,009.62 = 185,761.44 : x - Step 2: Convert to fraction form
328,995.36/454,009.62 = 185,761.44/x - Step 3: Cross multiply
328,995.36x = 454,009.62 × 185,761.44 - Step 4: Simplify right side
328,995.36x = 84,337,480,785.05 - Step 5: Solve for x
x = 84,337,480,785.05/328,995.36 - Step 6: Final answer
x = 256,348.54
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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.