Finding the Fourth Proportional to 328,079.09, 452,749.10 and 177,176.09
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Solution
The fourth proportional to 328,079.09, 452,749.10 and 177,176.09 is: 244,502.97
Step by Step Solution
- Step 1: Write the proportion equation
328,079.09 : 452,749.10 = 177,176.09 : x - Step 2: Convert to fraction form
328,079.09/452,749.10 = 177,176.09/x - Step 3: Cross multiply
328,079.09x = 452,749.10 × 177,176.09 - Step 4: Simplify right side
328,079.09x = 80,216,312,139.39 - Step 5: Solve for x
x = 80,216,312,139.39/328,079.09 - Step 6: Final answer
x = 244,502.97
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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.