Finding the Fourth Proportional to 253,260.16, 379,879.68 and 66,267.52
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Solution
The fourth proportional to 253,260.16, 379,879.68 and 66,267.52 is: 99,398.52
Step by Step Solution
- Step 1: Write the proportion equation
253,260.16 : 379,879.68 = 66,267.52 : x - Step 2: Convert to fraction form
253,260.16/379,879.68 = 66,267.52/x - Step 3: Cross multiply
253,260.16x = 379,879.68 × 66,267.52 - Step 4: Simplify right side
253,260.16x = 25,173,684,291.99 - Step 5: Solve for x
x = 25,173,684,291.99/253,260.16 - Step 6: Final answer
x = 99,398.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.