Finding the Fourth Proportional to 531,099.18, 796,980.69 and 215,556.09
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Solution
The fourth proportional to 531,099.18, 796,980.69 and 215,556.09 is: 323,468.85
Step by Step Solution
- Step 1: Write the proportion equation
531,099.18 : 796,980.69 = 215,556.09 : x - Step 2: Convert to fraction form
531,099.18/796,980.69 = 215,556.09/x - Step 3: Cross multiply
531,099.18x = 796,980.69 × 215,556.09 - Step 4: Simplify right side
531,099.18x = 171,794,038,959.48 - Step 5: Solve for x
x = 171,794,038,959.48/531,099.18 - Step 6: Final answer
x = 323,468.85
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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.