Finding the Fourth Proportional to 328,423.36, 453,229.28 and 192,424.76
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Solution
The fourth proportional to 328,423.36, 453,229.28 and 192,424.76 is: 265,549.12
Step by Step Solution
- Step 1: Write the proportion equation
328,423.36 : 453,229.28 = 192,424.76 : x - Step 2: Convert to fraction form
328,423.36/453,229.28 = 192,424.76/x - Step 3: Cross multiply
328,423.36x = 453,229.28 × 192,424.76 - Step 4: Simplify right side
328,423.36x = 87,212,535,428.97 - Step 5: Solve for x
x = 87,212,535,428.97/328,423.36 - Step 6: Final answer
x = 265,549.12
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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.