Finding the Fourth Proportional to 328,447.48, 453,257.50 and 177,544.48
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Solution
The fourth proportional to 328,447.48, 453,257.50 and 177,544.48 is: 245,011.37
Step by Step Solution
- Step 1: Write the proportion equation
328,447.48 : 453,257.50 = 177,544.48 : x - Step 2: Convert to fraction form
328,447.48/453,257.50 = 177,544.48/x - Step 3: Cross multiply
328,447.48x = 453,257.50 × 177,544.48 - Step 4: Simplify right side
328,447.48x = 80,473,367,143.60 - Step 5: Solve for x
x = 80,473,367,143.60/328,447.48 - Step 6: Final answer
x = 245,011.37
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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.