Finding the Fourth Proportional to 453,809.60, 626,246.88 and 284,137.28
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Solution
The fourth proportional to 453,809.60, 626,246.88 and 284,137.28 is: 392,102.95
Step by Step Solution
- Step 1: Write the proportion equation
453,809.60 : 626,246.88 = 284,137.28 : x - Step 2: Convert to fraction form
453,809.60/626,246.88 = 284,137.28/x - Step 3: Cross multiply
453,809.60x = 626,246.88 × 284,137.28 - Step 4: Simplify right side
453,809.60x = 177,940,085,091.69 - Step 5: Solve for x
x = 177,940,085,091.69/453,809.60 - Step 6: Final answer
x = 392,102.95
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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.