Finding the Fourth Proportional to 319,199.36, 478,813.56 and 119,467.92
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Solution
The fourth proportional to 319,199.36, 478,813.56 and 119,467.92 is: 179,207.31
Step by Step Solution
- Step 1: Write the proportion equation
319,199.36 : 478,813.56 = 119,467.92 : x - Step 2: Convert to fraction form
319,199.36/478,813.56 = 119,467.92/x - Step 3: Cross multiply
319,199.36x = 478,813.56 × 119,467.92 - Step 4: Simplify right side
319,199.36x = 57,202,860,081.00 - Step 5: Solve for x
x = 57,202,860,081.00/319,199.36 - Step 6: Final answer
x = 179,207.31
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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.