Finding the Fourth Proportional to 328,898.09, 453,879.36 and 177,995.09
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Solution
The fourth proportional to 328,898.09, 453,879.36 and 177,995.09 is: 245,633.22
Step by Step Solution
- Step 1: Write the proportion equation
328,898.09 : 453,879.36 = 177,995.09 : x - Step 2: Convert to fraction form
328,898.09/453,879.36 = 177,995.09/x - Step 3: Cross multiply
328,898.09x = 453,879.36 × 177,995.09 - Step 4: Simplify right side
328,898.09x = 80,788,298,667.04 - Step 5: Solve for x
x = 80,788,298,667.04/328,898.09 - Step 6: Final answer
x = 245,633.22
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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.