Finding the Fourth Proportional to 319,252.80, 478,879.20 and 186,283.20
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Solution
The fourth proportional to 319,252.80, 478,879.20 and 186,283.20 is: 279,424.80
Step by Step Solution
- Step 1: Write the proportion equation
319,252.80 : 478,879.20 = 186,283.20 : x - Step 2: Convert to fraction form
319,252.80/478,879.20 = 186,283.20/x - Step 3: Cross multiply
319,252.80x = 478,879.20 × 186,283.20 - Step 4: Simplify right side
319,252.80x = 89,207,149,789.44 - Step 5: Solve for x
x = 89,207,149,789.44/319,252.80 - Step 6: Final answer
x = 279,424.80
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1.5x scale
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.