Finding the Fourth Proportional to 319,232.70, 478,762.65 and 94,592.70
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Solution
The fourth proportional to 319,232.70, 478,762.65 and 94,592.70 is: 141,863.45
Step by Step Solution
- Step 1: Write the proportion equation
319,232.70 : 478,762.65 = 94,592.70 : x - Step 2: Convert to fraction form
319,232.70/478,762.65 = 94,592.70/x - Step 3: Cross multiply
319,232.70x = 478,762.65 × 94,592.70 - Step 4: Simplify right side
319,232.70x = 45,287,451,722.66 - Step 5: Solve for x
x = 45,287,451,722.66/319,232.70 - Step 6: Final answer
x = 141,863.45
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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.