Finding the Fourth Proportional to 329,968.68, 455,357.07 and 179,065.68
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Solution
The fourth proportional to 329,968.68, 455,357.07 and 179,065.68 is: 247,110.80
Step by Step Solution
- Step 1: Write the proportion equation
329,968.68 : 455,357.07 = 179,065.68 : x - Step 2: Convert to fraction form
329,968.68/455,357.07 = 179,065.68/x - Step 3: Cross multiply
329,968.68x = 455,357.07 × 179,065.68 - Step 4: Simplify right side
329,968.68x = 81,538,823,382.36 - Step 5: Solve for x
x = 81,538,823,382.36/329,968.68 - Step 6: Final answer
x = 247,110.80
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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.