Finding the Fourth Proportional to 328,438.19, 453,244.50 and 177,535.19
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Solution
The fourth proportional to 328,438.19, 453,244.50 and 177,535.19 is: 244,998.45
Step by Step Solution
- Step 1: Write the proportion equation
328,438.19 : 453,244.50 = 177,535.19 : x - Step 2: Convert to fraction form
328,438.19/453,244.50 = 177,535.19/x - Step 3: Cross multiply
328,438.19x = 453,244.50 × 177,535.19 - Step 4: Simplify right side
328,438.19x = 80,466,848,423.96 - Step 5: Solve for x
x = 80,466,848,423.96/328,438.19 - Step 6: Final answer
x = 244,998.45
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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.