Finding the Fourth Proportional to 328,327.71, 453,162.69 and 207,392.09
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Solution
The fourth proportional to 328,327.71, 453,162.69 and 207,392.09 is: 286,245.58
Step by Step Solution
- Step 1: Write the proportion equation
328,327.71 : 453,162.69 = 207,392.09 : x - Step 2: Convert to fraction form
328,327.71/453,162.69 = 207,392.09/x - Step 3: Cross multiply
328,327.71x = 453,162.69 × 207,392.09 - Step 4: Simplify right side
328,327.71x = 93,982,355,123.31 - Step 5: Solve for x
x = 93,982,355,123.31/328,327.71 - Step 6: Final answer
x = 286,245.58
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1.5x scale
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.