Finding the Fourth Proportional to 292,623.65, 439,119.99 and 115,107.59
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Solution
The fourth proportional to 292,623.65, 439,119.99 and 115,107.59 is: 172,733.97
Step by Step Solution
- Step 1: Write the proportion equation
292,623.65 : 439,119.99 = 115,107.59 : x - Step 2: Convert to fraction form
292,623.65/439,119.99 = 115,107.59/x - Step 3: Cross multiply
292,623.65x = 439,119.99 × 115,107.59 - Step 4: Simplify right side
292,623.65x = 50,546,043,769.72 - Step 5: Solve for x
x = 50,546,043,769.72/292,623.65 - Step 6: Final answer
x = 172,733.97
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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.