Finding the Fourth Proportional to 293,108.70, 439,576.65 and 115,556.70
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Solution
The fourth proportional to 293,108.70, 439,576.65 and 115,556.70 is: 173,300.99
Step by Step Solution
- Step 1: Write the proportion equation
293,108.70 : 439,576.65 = 115,556.70 : x - Step 2: Convert to fraction form
293,108.70/439,576.65 = 115,556.70/x - Step 3: Cross multiply
293,108.70x = 439,576.65 × 115,556.70 - Step 4: Simplify right side
293,108.70x = 50,796,027,071.06 - Step 5: Solve for x
x = 50,796,027,071.06/293,108.70 - Step 6: Final answer
x = 173,300.99
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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.