Finding the Fourth Proportional to 329,970.68, 455,359.84 and 179,067.68
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Solution
The fourth proportional to 329,970.68, 455,359.84 and 179,067.68 is: 247,113.56
Step by Step Solution
- Step 1: Write the proportion equation
329,970.68 : 455,359.84 = 179,067.68 : x - Step 2: Convert to fraction form
329,970.68/455,359.84 = 179,067.68/x - Step 3: Cross multiply
329,970.68x = 455,359.84 × 179,067.68 - Step 4: Simplify right side
329,970.68x = 81,540,230,113.97 - Step 5: Solve for x
x = 81,540,230,113.97/329,970.68 - Step 6: Final answer
x = 247,113.56
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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.